Geog exam 1 quizzes

If you visited Mount Shasta City (elevation 900 m [3000 ft.]) and found the outside air temperature to be 27°C (81°F), what would be the air temperature at the summit of Mount Shasta (elevation 4200 m [14,000 ft.]) at that moment-assuming that the temperature conditions with altitude change at an average, or normal, lapse rate? 10°C (39.2°F) 2°C (35.6°F) 5.9°C (42.5°F) 48°C (118.4°F) 8.6°C (22.4°F)

5.9°C (42.5°F)

Our Solar System consists of A. 8 planets, more than 100 moons, dwarf planets, comets, asteroids, and meteors. B. 9 planets, 7 moons, and two dwarf planets (Pluto and Ceres). C. 200 moons, six planets, and approximately 30 dwarf planets. D. a supermassive blackhole, Sagitarrius A*, in the Solar System middle. E. 4 stars, the Sun and the Alpha Centauri star system (Alpha Centauri A, B, and C).

A. 8 planets, more than 100 moons, dwarf planets, comets, asteroids, and meteors.

Which of the following is not a human impact on atmospheric and oceanic circulation? A. Asian air pollution affects monsoonal wind flow. B. ENSO affects global weather patterns and human lives. C. Climate change affects natural oscillations in circulation. D. Climate change may affect ocean currents and thermohaline circulation. E. Melting sea ice in the Arctic leads to weakening of the jet stream.

A. Asian air pollution affects monsoonal wind flow.

Which of the following describes the pressure gradient force? A. It drives air from areas of higher to lower barometric pressure. B. It decreases with height above the surface. C. It causes apparent deflection of winds from a straight path. D. It exerts a virtually uniform force on the atmosphere. E. It is the only force acting on atmospheric flows in the upper troposphere.

A. It drives air from areas of higher to lower barometric pressure.

________ is used in a barometer because ________. A. Mercury; it is denser than water B. Water; it is liquid at normal air temperature C. Water; it is denser than mercury D. Alcohol; it will not freeze in extreme cold weather E. Mercury; it will rise more than water will under the same air pressure

A. Mercury; it is denser than water

Which of the following is true? A. Natural events, such as volcanoes and wildfires, produce air pollution and may cover large areas. B. Natural sources of air pollution are not a concern in terms of human health. C. Natural sources of air pollution are a relatively new occurrence. D. There is no reason to be concerned about natural sources of air pollution. E. By definition, natural events cannot produce pollution, only humans can.

A. Natural events, such as volcanoes and wildfires, produce air pollution and may cover large areas.

Which of the following is true regarding the effects of the Coriolis force? A. The amount of Coriolis deflection is uniform from equator to poles. B. The Coriolis force is zero at the poles, increasing to maximum along the equator. C. The strength of the apparent deflection varies with speed of Earth's rotation. D. Coriolis deflection occurs only along parallels, not meridians. E. Slowly moving objects are deflected more than rapidly moving objects.

C. The strength of the apparent deflection varies with speed of Earth's rotation.

Which of the following best describes the condition of steady-state equilibrium? A. System inputs and outputs fluctuate around a stable average. B. Systems lurch to new operational levels when they can no longer maintain their character. C. System inputs always exactly balance outputs so the system never changes. D. Systems slowly adjust to long-term changes in input and output. E. System inputs produce large, random fluctuations in output, forcing the system into a new state of equilibrium.

A. System inputs and outputs fluctuate around a stable average.

Which is true of the amount of CO2 in our atmosphere? A. The level of CO2 in May 2016 was 408 ppm. B. The level of CO2 has been decreasing at the rate of 3.1% per year since 2000. C. CO2 is the most abundant gas in the atmosphere. D. The level of CO2 has been much higher during the past 800,000 years than it is now. E. The level of CO2 is at the lowest levels now it has been in the last 50 years.

A. The level of CO2 in May 2016 was 408 ppm.

Which of the following best describing hydrogen bonding in water? A. The positive hydrogen side of a water molecule attracts the negative oxygen side. B. There is no hydrogen bonding in a water molecule. C. The positive oxygen side of a water molecule attracts the negative hydrogen side. D. Water molecules experience a strong gravitational attraction to one another. E. Nuclear fusion occurs between the ends of water molecules.

A. The positive hydrogen side of a water molecule attracts the negative oxygen side.

A scale of 1:24,000 is regarded as A. a large scale. B. a small scale. C. a scale appropriate for a world globe. D. an intermediate scale. E. a scale appropriate for continental mapping.

A. a large scale.

When water evaporates, it ________ heat energy and ________ the surrounding air. A. absorbs; cools B. releases; heats C. absorbs heats D. absorbs; has no impact on E. releases; cools

A. absorbs; cools

Which of the following cloud type is associated with rain? A. cumulonimbus B. lenticular C. cirrus D. stratocumulus E. cirrostratus

A. cumulonimbus

The insolation received at Earth's surface is A. greatest over low-latitude deserts with their cloudless skies. B. generally greater at high latitudes because of day length. C. inadequate to sustain life. D. usually low at the equator. E. highest in the mid-latitudes due to seasonality.

A. greatest over low-latitude deserts with their cloudless skies.

Which of the following is associated with an ENSO event? A. higher pressure over the western Pacific and lower pressure over the eastern Pacific B. increased thermocline in the eastern Pacific C. enhanced upwelling in the Humboldt (Peru) current D. stronger than normal trade winds E. cooler than normal sea surface temperatures along the western South American coast

A. higher pressure over the western Pacific and lower pressure over the eastern Pacific

On land, the highest annual values for latent heat of evaporation (LE) occur A. in the tropics. B. near the poles. C. in the midlatitudes. D. in continental interiors. E. over the subtropics.

A. in the tropics.

Which of the following is not a reason for the energy surplus between the tropics? A. indirect solar radiation B. consistent daylength C. little seasonal variations D. high insolation E. small diurnal and annual insolation differ

A. indirect solar radiation

The main methodology governing geographic inquiry A. involves spatial analysis. B. is field work based. C. is behavioral analysis. D. uses chronological organization. E. utilizes ecological concepts.

A. involves spatial analysis.

Which of the following cannot be attributed to the effects of Earth's rotation? A. latitudinal variations in net radiation B. deflection of the winds C. rise and fall of the tides D. daylength E. deflection of the ocean currents

A. latitudinal variations in net radiation

The main ingredients in photochemical smog are A. ozone, PAN, and nitric acid. B. PAN, nitric acid, and carbon monoxide. C. ozone, particulate matter, and carbon D. monoxide. VOC and sulfur oxides. E. PAN, carbon monoxide, and particulate matter.

A. ozone, PAN, and nitric acid.

Coordinated Universal Time (UTC) A. replaced Greenwich Mean Time (GMT) and became the legal reference for official time in all countries. B. is determined using astronomical clocks that rely on Earth's rotation. C. is two hours ahead of Zulu time, indicating the single moment when all locations on the planet are on the same calendar day. D. established 24 standard meridians around the globe at equal intervals from the prime meridian. E. is the same as Greenwich Mean Time (GMT).

A. replaced Greenwich Mean Time (GMT) and became the legal reference for official time in all countries.

What is relative humidity? A. the amount of water vapor in the air compared with the maximum amount of water vapor possible in the air body B. the amount of water vapor in the air compared with the temperature of the air C. the amount of water vapor in the air per kilogram of air D. the share of air pressure that is made up of water vapor molecules at a given temperature E. the temperature at which condensation begins

A. the amount of water vapor in the air compared with the maximum amount of water vapor possible in the air body

On its way to Earth, solar winds first encounter A. the magnetosphere. B. the stratosphere. C. Earth's surface. D. the lower atmosphere. E. the ionosphere.

A. the magnetosphere.

Remote sensing is A. the monitoring of a distant object without physical contact. B. a subjective determination of temperature. C. an earthbound technique not used in modern satellites. D. a locational service for determining longitude and latitude. E. based on the principle that surfaces must be physically handled and directly measured for study.

A. the monitoring of a distant object without physical contact.

Between 20° to 35° north and 20° to 35° south are A. the world's arid and semi-arid desert regions. B. converging winds resulting in moist, warm rising air. C. cyclonic systems of low pressure. D. warm and wet conditions, and the world's great tropical forests. E. the largest zone of water surpluses in the world.

A. the world's arid and semi-arid desert regions.

Comparing the three temperature scales, absolute zero is A. 0° F. B. 0° K. C. -273° K. D. 32° C. E. 32° F.

B. 0° K.

Which of the following does not accurately describe Earth's distance from the Sun? A. The Earth-Sun distance averages 150 million kilometers (93 million miles). B. Due to Earth's circular orbit, it is always equidistant from the sun throughout the year. C. Earth is closest to the Sun in January (perihelion). D. Earth is farthest away from the Sun in July (aphelion). E. It takes light an average of 8 minutes and 20 seconds to travel from the Sun to Earth.

B. Due to Earth's circular orbit, it is always equidistant from the sun throughout the year.

A hypothesis is best describe as A. observations of particular phenomena. B. a tentative explanation for an observed phenomenon. C. an explanation of the natural world based on extensive testing. D. the experimental phase of the scientific process. E. the peer review stage of the scientific process.

B. a tentative explanation for an observed phenomenon.

If the amount of water vapor in the air remained constant, but the air temperature increased throughout the day, the relative humidity would A. increase. B. decrease. C. remain constant. D. change in a random, unpredictable manner. E. Air temperature has no effect on relative humidity.

B. decrease.

Which of the following is used to measure humidity? A. thermometer B. hair hygrometer C. aneroid barometer D. weather vane E. anemometer

B. hair hygrometer

The equinox A. is the longest day of the year at any given place. B. has 12 hours of day and 12 hours of night for all locations. C. is when the subsolar point is at one of the tropics. D. occurs four times during the year. E. occurs only in the Southern Hemisphere

B. has 12 hours of day and 12 hours of night for all locations.

Relative to the five themes of geographic science, resource management and sustainable growth refer to A. movement. B. human-Earth relationships. C.. region. D. location. E. place.

B. human-Earth relationships.

Temperatures within the stratosphere A. increase with altitude due to increased atmospheric pressure. B. increase with altitude because of the absorption of ultraviolet radiation. C. remain about the same from the tropopause to the stratopause. D. decrease with altitude according to the normal lapse rate. E. decrease with altitude due to radiation losses.

B. increase with altitude because of the absorption of ultraviolet radiation.

Which of the following is not cited as a factor in helping to reduce air pollution? A. increased vehicle fuel-efficiency B. increased use of coal as an energy source C. alternative and public transportation D. stricter air emission regulations E. use of more alternative, clean energy sources such as wind and solar

B. increased use of coal as an energy source

The size of one Kelvin unit is A. two times smaller than one Celsius degree. B. the same size as one Celsius degree. C. twice as large as one Fahrenheit degree. D. twice as large as one Celsius degree. E. the same size as one Fahrenheit degree.

B. the same size as one Celsius degree

-273°C (-459.67°F) is A. an average boiling temperature. B. not possible on any scale. C. 0 absolute temperature. D. freezing point of water. E. the same as 273 Kelvin.

C. 0 absolute temperature.

The Sun's declination migrates through ________ of latitude annually. A. 30° B. 90° C. 47° D. 66.5° E. 23.5°

C. 47°

Which country burns more coal and emits more CO2 than any other country on Earth? A. India B. The United States C. China D. Germany E. Japan

C. China

________ is the practice of using public participation for scientific data collection and monitoring. A. Participatory observations B. Public engagement C. Citizen science D. Micronetting E. Amateur analysis

C. Citizen science

For observers in the Northern Hemisphere, which of the following is true? A. Daylength decreases from the winter solstice until the vernal equinox, when it begins to increase. B. Daylength variations are negligible for all locations throughout the year except above the Arctic Circle. C. Daylength is longest on the summer solstice and is shortest on the winter solstice. D. The longest day of the year occurs on the December solstice. E. Daylength becomes increasingly longer during the period from the summer solstice until the winter solstice.

C. Daylength is longest on the summer solstice and is shortest on the winter solstice.

How does the ionosphere affect GPS? A. Ionosphere gases strengthen GPS signals, improving locational accuracy. B. Positively charged ions in the ionosphere speed up the GPS signal, causing signal error. C. GPS signals must pass through the ionosphere, whose gases weaken the signal. D. GPS ground stations lose contact with geosynchronous satellites orbiting near the poles. E. GPS satellites orbit the Earth in the ionosphere.

C. GPS signals must pass through the ionosphere, whose gases weaken the signal.

Which is true of upper atmospheric circulation? A. It refers to the winds in the thermosphere. B. These winds are unrelated to surface weather patterns and of no consequence to the atmosphere's general circulation. C. Middle and upper tropospheric circulation is an important component of the atmosphere's general circulation. D. These winds flow principally from the east in the mesosphere. E. These stratospheric winds are responsible for the movement of CFCs to the poles, contributing to ozone depletion.

C. Middle and upper tropospheric circulation is an important component of the atmosphere's general circulation.

Despite its high temperatures, why would the thermosphere feel cold to humans? A. The atmosphere is denser in the thermosphere and this pressure reduces heat transfer. B. Humans would die due to pressure changes before they could experience the intense heat. C. The number of molecules is not high enough to transfer heat to human's skin. D. The average kinetic energy is actually less in the thermosphere than the troposphere.

C. The number of molecules is not high enough to transfer heat to human's skin.

Why are temperature inversion noteworthy vis-à-vis air pollution? A. Surface pollution is moderated by allowing surface air to mix with the air above. B. Lack of vertical mixing of air traps pollutants in the upper atmosphere. C. Vertical mixing of pollutants is halted, trapping the pollutants under the inversion layer. D. Mesospheric conditions are replicated in the troposphere. E. Air pollution is completely inhibited from forming.

C. Vertical mixing of pollutants is halted, trapping the pollutants under the inversion layer.

The difference between the dry adiabatic rate and the moist adiabatic rate is on account of A. less atmospheric pressure. B. the latent heat of condensation. C. buoyance of a parcel of air. D. the specific heat of water. E. altitudinal temperature differences.

C. buoyance of a parcel of air.

The primary mechanisms to form precipitation are the A. Findeisen and Wegener processes. B. Bergeron and Wegener processes. C. collision-coalescence and Bergeron processes. D. collision-coalescence process only. E. Bergeron process only.

C. collision-coalescence and Bergeron processes.

An air parcel is considered unstable when it A. either remains as it is, or changes its initial position. B. resists displacement upward. C. continues to rise until it reaches an altitude at which the surrounding air has a similar temperature. D. ceases to ascend. E. ceases to descend.

C. continues to rise until it reaches an altitude at which the surrounding air has a similar temperature.

NET R values, as illustrated for a typically summer day at a midlatitude location, are positive A. after dusk due to a lag effect of outgoing infrared radiation. B. during the daylight hours, peaking just after sunrise. C. during daylight hours, peaking just after noon with the peak of insolation. D. during the night when +LW is at a maximum. E. around midnight when +SW is the highest.

C. during daylight hours, peaking just after noon with the peak of insolation.

Based on temperature, the atmosphere is divided into A. four regions based on composition. B. two functional areas that absorb radiation from the Sun. C. four regions, ranging from the troposphere to the thermosphere. D. two broad regions. E. two regions based on composition.

C. four regions, ranging from the troposphere to the thermosphere.

After a warm front passes, the temperature ________ and the pressure ________ (relative to the conditions that existed prior to the passage of the front). A. remains unchanged; decreases B. decreases; decreases C. increases; decreases D. decreases; increases E. increases; increases

C. increases; decreases

The wind-chill temperature index A. uses the same variables as the heat index does. B. assumes people are wearing a basic protective clothing. C. is a factor of actual air temperature and wind speed. D. takes into account infrared solar radiation. E. considers the effects of physical activity.

C. is a factor of actual air temperature and wind speed.

Why is the hole in the ozone greatest over Antarctica? A. South American countries have not ratified the Montreal Protocol and continue to release ozone-destroying CFCs. B. Ozone, a greenhouse gas which traps ultraviolet energy radiated from the Earth's surface, has highest concentration in Antarctica. C. Melting permafrost releases ozone destroying methane. D. Chlorine freed from CFCs elsewhere migrate to the Antarctic region, where they are trapped by the polar vortex. E. The ozone hole is a natural phenomenon related to high polar stratospheric clouds.

D. Chlorine freed from CFCs elsewhere migrate to the Antarctic region, where they are trapped by the polar vortex.

Which of the following statements regarding clouds and Earth's "greenhouse" is correct? A. All clouds reflect an equal amount of insolation. B. Aerosols such as those produced by volcanic eruptions are especially noted for warmer temperatures. C. High-altitude cirrus clouds and jet contrails act to cool the troposphere. D. Cloud-albedo forcing results in lower temperatures. E. Cloud-greenhouse forcing causes the air temperatures to be cooler.

D. Cloud-albedo forcing results in lower temperatures.

The uneven distribution of insolation by latitude is primarily a result of A. the changing distance of Earth from the Sun. B. variability in the Sun's output. C. solar wind activity. D. Earth's curvature. E. sun spot cycles.

D. Earth's curvature.

Which is true for global annual temperature ranges? A. The greatest ranges occur over the continental masses in the Southern Hemisphere. B. The lowest ranges occur in central Australia. C. The greatest ranges occur in the subtropics over the oceans. D. The greatest ranges occur in east central Siberia in Russia. E. The lowest ranges occur over continental interiors in the Northern Hemisphere.

D. The greatest ranges occur in east central Siberia in Russia.

Systems encountered in nature at Earth's surface, such as a forest, are A. closed systems in terms of energy. B. open systems in terms of energy. C. open systems in terms of matter. D. both open systems in terms of energy and open systems in terms of matter. E. both closed systems in terms of energy and open systems in terms of matter.

D. both open systems in terms of energy and open systems in terms of matter.

A thunderstorm is associated with ________ clouds. A. lenticular B. cirrostratus C. altostratus D. cumulonimbus E. stratocumulus

D. cumulonimbus

The movement of water throughout the atmosphere, hydrosphere, lithosphere, and biosphere is known as the A. capillary movement. B. biogeochemical cycle. C. water flow. D. hydrologic cycle. E. hydroflux.

D. hydrologic cycle.

Which of the following is not a result of acid deposition? A. soil nutrient loss loss of aquatic life in streams, lakes, and wetlands B. release of aluminum from soils C. acidification of lakes D. increase in nutrients in forest ecosystems

D. increase in nutrients in forest ecosystems

What type of feedback acts to stabilize a system? A. positive B. steady state C. snowballing D. negative E. dynamic

D. negative

About half of Earth's crust consists of compounds containing A. ozone B. nitrogen. C. carbon dioxide. D. oxygen. E. argon.

D. oxygen.

The polar high pressure cells A. are the strongest of the four primary pressure areas. B. are associated with the polar front. C. are more pronounced at the North Pole than at the South Pole. D. produce the weak, variable polar easterlies. E. are cyclonic in nature.

D. produce the weak, variable polar easterlies.

The precipitation in form of liquid water droplets that forms by condensation or by melting ice crystals as they pass through a warm layer of the atmosphere is A. snow. B. sleet. C. frost. D. rain. E. hail.

D. rain.

During the day, clouds ________ insolation, lowering daily maximum temperatures; at night, clouds ________ longwave energy, thereby raising minimum nighttime temperatures. A. scatter; absorb and counterradiate B. reflect; scatter C. absorb; reflect D. reflect; absorb and counterradiate E. scatter; refract

D. reflect; absorb and counterradiate

Heat that can be sensed due to the kinetic energy of molecular motion is A. radiation. B. conduction. C. latent heat. D. sensible heat. E. convection.

D. sensible heat.

The difference in Sun time between two places located 30° in longitude apart from one another is A. 30 seconds. B. 30 minutes. C. one hour. D. two hours. E. three hours.

D. two hours.

The dominant surface winds from the subtropics to high latitudes are the A. jet streams. B. polar easterlies. C. trade winds. D. westerlies. E. geostrophic winds.

D. westerlies.

Trade winds drive ocean surface waters A. southward. B. eastward. C. northward. D. westward. E. northeasterly.

D. westward.

Half of the total mass of Earth's atmosphere lies below an elevation of ________ meters. A. 11,000 B. 25,000 C. 8,300 D. 14,000 E. 5,500

E. 5,500

The basis for our global time system is A. Earth moves through 365.25 days a year in its orbit about the Sun. B. rotational speed at each parallel. C. Earth rotates east to west as viewed from Polaris. D. the oblateness of Earth. E. Earth rotates 15° of longitude per hour.

E. Earth rotates 15° of longitude per hour.

If you were standing at 60° North you would be within which latitudinal geographic zone? A. Subtropical B. Midlatitude C. Subantarctic D. Arctic E. Subarctic

E. Subarctic

Which of the following is not true of the intertropical convergence zone (ITCZ)? A. A band of precipitation is associated with the ITCZ. B. Constant high Sun altitude and daylength create energy surpluses. C. Warm, moisture-laden airs converge along the ITCZ. D. Lighter, less dense air, rising air characterize the ITCZ. E. The ITCZ is stationary throughout the year.

E. The ITCZ is stationary throughout the year.

Which of the following is true? A. The thermosphere and ozonosphere are the same. B. Noctilucent clouds occur in the ozonosphere. C. All but 0.001 percent of the atmosphere is accounted for within the stratosphere. D. The ozonosphere stretches from the Earth's surface to approximately 50 km (30 mi.). E. The ozonosphere corresponds with the stratosphere.

E. The ozonosphere corresponds with the stratosphere.

A line of tangency (also called a standard line) is a line A. that shows the prime meridian and International Date Line. B. along which shearing occurs. C. that divides Earth into two equal halves. D. that always corresponds to a great circle. E. along which no distortion occurs.

E. along which no distortion occurs.

Which of the following matches is incorrect relative to air circulation? A. anticyclone - high pressure center B. cyclone - low pressure center cyclone - C. counterclockwise in the Northern Hemisphere D. cyclone - clockwise circulation in the Southern Hemisphere E. anticyclone - clockwise circulation in the Southern Hemisphere

E. anticyclone - clockwise circulation in the Southern Hemisphere

The auroras in the upper atmosphere are caused by A. coronal mass ejections entering the atmosphere at lower latitudes (below 30°). B. sun spot activity and gravitational accretion. C. stratospheric ozone depletion. D. UV and visible light interaction with the asthenosphere. E. interaction of the solar wind and upper layers of Earth's atmosphere.

E. interaction of the solar wind and upper layers of Earth's atmosphere.

Sea-breezes A. occur because warmer air is denser and settles to the surface of the land. B. result from water heating and cooling faster than land surfaces. C. tend to cause higher temperatures on land as winds blow towards the sea. D. form because of higher pressure over the land than the sea. E. involve onshore (toward the land) air flows that develop in the afternoon.

E. involve onshore (toward the land) air flows that develop in the afternoon.

Monsoonal winds are A. a form of mountain-valley wind. B. the Asian equivalent of Santa Ana winds. C. katabatic in nature. D. limited to the Indian subcontinent. E. regional wind systems that seasonally vary.

E. regional wind systems that seasonally vary.

What is the name of the location on Earth's surface that receives the Sun's perpendicular rays? A. solar constant B. zenith C.sun spot D. azimuth E. subsolar point

E. subsolar point

A monsoon climate is characterized by ________ summers and ________ winters. A. moderately humid; moderately humid B. wet; wet C. dry; wet D. dry; dry E. wet; dry

E. wet; dry

The analogy of a greenhouse A. incorrectly describes shortwave energy transmission but perfectly encapsulates how longwave terrestrial radiation is trapped. B. is completely unrelated to our Earth-atmosphere system, and should never have been used to describe global warming. C. is a useful, but inaccurate model since atmospheric gases do not trap, but absorb heat. D. describes exactly how the Earth-atmosphere system operates. E. is antiquated and rarely used anymore to describe our Earth-atmosphere system.

C. is a useful, but inaccurate model since atmospheric gases do not trap, but absorb heat.

The planetesimal hypothesis pertains to the formation of the A. galaxies. B. ocean basins. C. planets. D. universe. E. black holes.

C. planets.

If a system responds to a change in input by moving further away from its equilibrium condition, what type of feedback has occurred? A. negative B. closed C. positive D. neutral E. open

C. positive

Which of the following is characterized by the longest wavelengths A. thermal infrared B. X-rays C. radio waves D. gamma rays E. visible

C. radio waves

Because of the process known as ________ the Sun appears above the horizon ________ it has actually risen. A. transmission; after B. refraction; after C. refraction; before D. reflection; before E. transmission; before

C. refraction; before

A surface disturbance on the Sun's surface caused by magnetic storms is called a(n) A. magnetic cyclone. B. electromagnetic spectrum. C. sunspot. D. aurora. E. solar wind.

C. sunspot.

Which of the following is not one of the reasons for Earth's seasonality? A. Earth's sphericity B. Earth's axial tilt C. the moon's rotation around Earth D. rotation of Earth around the Sun E. Earth's daily rotation on its axis

C. the moon's rotation around Earth

When stable air is forced to lift as it passes over a mountain range, the air may become saturated and condensation may occur. In this case, the air is A. moderately stable. B. stable. C. unstable. D. conditionally stable. E. conditionally unstable.

C. unstable.