APES 5,6,7,8,9

Which of the following is a greenhouse gas that comes only from human sources?

• Nitrous oxide

• Carbon dioxide

• Methane

• CFC's

The spread of infectious diseases is expected to increase with climate change, mainly because

• the world population growth rate is increasing very rapidly

• warmer temperatures allow disease-carrying insects to survive in areas that were once too cold

• disease-carrying microbes are migrating more rapidly into the tropics and subtropics

• the rain forests are rapidly expanding to cover more of Earth’s surface

The data in the graph reflect threats identified in species recovery plans.

Based on the data in the graph, altering human activity in which of the following areas will most benefit plant species?

• Habitat loss and degradation

• Introduction of invasive species

• Pollution

• Climate and natural disasters

Of the following strategies to decrease the landfill volume of packaging material from food and other consumer products, the most energy efficient is

• recovering plastic packaging material from the waste stream and recycling it

• recovering metal packaging material from the waste stream and recycling it

• limiting the size of individual beverage containers made from metal, glass, or plastic

• promoting the use of reusable containers for consumer goods

Which of the following is the best example of environmental remediation?

• A species of trout becomes extinct in a eutrophic lake.

• The height of a factory smokestack is increased.

• A parcel of forest land is declared a state park.

• PCB-consuming bacteria are sprayed on an area that has soil contaminated with PCBs.

When water used to cool power plants is released into adjacent waterways, which of the following is most likely to occur?

• Biodiversity of aquatic life in the waterways would decrease because the coolant water is radioactive.

• The dissolved oxygen in the waterway would decrease because of thermal pollution.

• Salinity in the waterways would increase because of dissolved solids in the used coolant water.

• Nutrient levels in the adjacent waterways would increase because of phosphorous in the used coolant water.

Which of the following best describes a supporting ecological service provided by wetlands?

• Wetlands serve as a source of aesthetic inspiration for art and literature.

• Wetlands provide opportunities for ecotourism, which provides revenue to the local economy.

• Wetlands serve as a major reservoir for nitrogen in the nitrogen cycle.

• Wetlands provide a habitat for a wide variety of organisms.

Mandates the restoration and maintenance of the chemical, physical, and biological integrity of the nation’s waters

• Clean Water Act

• Safe Drinking Water Act

• Comprehensive Environmental Response Compensation and Liability Act (CERCLA)

• Toxic Substances Control Act

Increased use of which of the following technologies would cause the greatest reduction in the primary source of photochemical smog?

• Electrostatic precipitator

• Catalytic converter

• Carbon sequestration

• Methane collection system

In the figure, the letters A, B, and C represent the different thermal layers present in an inversion. Which of the following shows the correct sequence of thermal layers as one moves vertically upwards from the surface of Earth?

• Warm sea breeze → Cool → Warm

• Warm sea breeze → Warm → Cool

• Cool sea breeze → Warm → Cool

• Cool sea breeze → Cooler → Coolest