Unit 5 - Human Resource Use Assessment

Front

How does overgrazing result in desertification?

Back

by increasing the rate at which topsoil is eroded.

Front

A land developer is considering building in the Santa Paula area. Based on the information in the graph, the land developer would want to avoid areas with which of these slopes? (5.1) Options: A. 0–5°, B. 12–18°, C. 22–28°, D. 32–38°

Back

22–28°

Front

What is one likely threat to wild populations of the Venus flytrap, based on its appeal to humans?

Back

poaching

Front

A farmer has a steeply sloping pasture that is eroding. Which is the BEST option to stop the immediate erosion of the topsoil?

Back

Increase the amount of vegetation on the sloping pasture.

Front

What would most likely result if more farms were developed along river basins in North Carolina?

Back

an increase in water pollution

Front

What is a possible consequence of the destruction of a marsh?

Back

decreased filtering of water

Front

One way to increase fresh water supply is to pump salt water at high pressure through a thin membrane that only allows through water molecules. This is known most specifically as

Back

reverse osmosis

Front

Which questions would best help scientists assess the claim that humans are responsible for the rising global temperature? Options: A - What is the mechanism by which carbon dioxide heats Earth?, B - What is the source of most of the carbon dioxide in the atmosphere?, C - What is the source of the increase of carbon dioxide in the atmosphere?, D - What is the increase in the concentration of carbon dioxide in the atmosphere?

Back

What is the source of the increase of carbon dioxide in the atmosphere?

Front

Which is associated with an increase of chlorofluorocarbons in the environment?

Back

an increase in health risks associated with UV radiation

Front

Which is a major source of air pollution? Options: planting more trees in forest areas, building dams for hydroelectric plants, the production of energy using solar and nuclear power, coal burning power plants for generating electricity

Back

coal burning power plants for generating electricity