Atmos Quiz #1

Over what altitude range does most of Earth's weather occur?

0 to 10 km

What percentage of the Earth's atmosphere is located IN THE TROPOSPHERE if the average tropopause pressure is 200 mb?

80%

Why is the Martian atmosphere primarily composed of carbon dioxide instead of nitrogen?

All of the above

Which of the following statements regarding a region with a HIGH sea-level pressure is TRUE?

High pressure zones always have more air molecules above the surface than low pressure zones.

Why does the temperature in the stratosphere increase with height?

Ozone absorbs ultraviolet radiation from the sun.

Which of the following statements regarding atmospheric pressure is TRUE?

Pressure always decreases with height.

Which of the following statements is TRUE if the temperature of a substance INCREASES?

The kinetic energy of the molecules will increase

Why do PERMANENT gases have uniform concentrations around the globe?

They are long-lived which allows them to become thoroughly mixed.

The main SOURCE of water vapor to the atmosphere is ______________.

evaporation

A temperature inversion is defined as a layer of the atmosphere where the temperature _______________ with increasing height.

increases

In which of the following layers does the temperature normally DECREASE with height?

mesosphere and troposphere

The most abundant gas in the Earth's atmosphere is ____________.

nitrogen

Which of the following statements regarding the Fahrenheit and Celsius temperature scales is true?

none of the above

What process caused the oxygen concentration to begin increasing about 2.5 billion years ago? (See Figure below)

photosynthesis

The most abundant gas emitted by volcanoes is ________________.

water vapor