unit 7
Which of the following is an important contributor to both global warming and ozone depletion?
A release of chlorofluorocarbons to the atmosphere
Increased atmospheric CO2 concentration over the next 50 years is expected to cause which of the following global changes?
A significant loss of biodiversity in the tropics
Which of the following represents a positive feedback loop in the Arctic that is associated with anthropogenic climate change?
Arctic Ocean ice melts -> ocean surface water temperature increases -> more ice melts
(A) Asbestos (B) Radon (C) Lead (D) Carbon monoxide (E) Formaldehyde Composed of fibers known to cause lung disease
Asbestos
Recent studies have found that fine particulate matter with a diameter of 2.5 μm or less can have negative human health effects. Which of the following correctly links a negative human health effect to an anthropogenic source of fine particulate matter?
High rates of respiratory disease from power plant emissions
Which of the following is a greenhouse gas that is also a by-product of anaerobic respiration?
Methane, CH4
Scientists have been monitoring CO2 in the atmosphere from Mauna Loa in Hawaii since 1958. Which of the following units is used by scientists to measure CO2 in the atmosphere?
Parts per million
Carbon dioxide Carbon monoxide Methane Radon Sulfur dioxide Is an important precursor to acid rain
Sulfur dioxide
Which of the following air pollutants is correctly paired with one of its major effects?
Sulfur oxides . . acid deposition
Acid rain is associated with which of the following?
The burning of fossil fuels
Water vapor is a greenhouse gas and is produced by burning fossil fuels. However, anthropogenic water vapor does not contribute significantly to global warming because water vapor
has a short residence time in the atmosphere
A) Sulfur dioxide (B) Lead (C) Ozone (D) Hydrocarbons(E) Particulates Implicated in human neurological damage
lead
All of the following gases have been implicated in contributing to the increase in global temperature via the greenhouse effect EXCEPT
oxygen
All of the following are likely consequences of indoor air pollution EXCEPT an increase in
the risk of developing skin cancer
Which of the following is a primary air pollutant produced from burning coal?
Carbon monoxide
Catalytic converters reduce which of the following pairs of pollutants in car exhaust?
Carbon monoxide and hydrocarbons
Which of the following is a greenhouse gas that comes only from human sources?
Chlorofluorocarbons
Global warming is most likely to directly cause which of the following?
Coastal flooding and submersion of low-lying areas
If Earth had no atmosphere, the mean surface temperature would be approximately -15°C. With our present atmosphere, Earth's mean surface temperature is approximately +15°C. Which of the following is the best explanation for this difference?
absorption of infrared radiation by atmospheric gases
The majority of atmospheric mercury is produced by
coal-burning power plants
Surface oceanic circulation results most directly in the
distribution of heat from tropical to temperate and polar regions
The increase in mean global temperature is likely to result in all of the following EXCEPT
increased ground-level ultraviolet radiation
The three main anthropogenic sources of gaseous air pollutants in the United States are
industry, transportation, and energy production
(A) Asbestos (B) Radon (C) Lead (D) Carbon monoxide (E) Formaldehyde Found in old plumbing pipes and fixtures and some ceramic glazes
lead
(A) Radon (B) Mercury (C) Lead (D) Copper (E) Iron Was once widely used in the United States as a gasoline additive
lead
Ground-level ozone in most major United States cities results primarily from
motor-vehicle exhaust
(A) Radon (B) Mercury (C) Lead (D) Copper (E) Iron A gaseous decay product of uranium that is found in rocks
radon
the spread of infectious diseases is expected to increase with climate change, mainly because
warmer temperatures allow disease-carrying insects to survive in areas that were once too cold
