Env 5B

Soil erosion can increase when humans remove trees and other vegetation from an area.  What is this called?

• urbanization
• deforestation
• decomposition
• nutrient depletion

Which of the following human activities could cause contamination of the water and lead to human health problems and loss of native species?

• development of water quality plan
• improvements to a water treatment  facility
• building  a shopping center around the reservoir
• increased use of fertilizer

Which of these examples is a human source of air pollution?

• dust storms
• volcanic ash
• industrial emissions
• wildfires

Which of the following is a inexhaustible resource?

• wind
• coal
• oil
• gas

Which one of the following an nonrenewable resource?

• coal
• wind
• sunlight
• trees

What do coal, petroleum and wood have in common?

• all are considered nonrenewable
• all are categorized as renewable
• all can be categoraized as energy resources
• all can be considered inexhaustble

Chlorofluorocarbons are the main cause of the depletion of what?

• ozone layer
• greenhouse effect
• erosion
• urban sprawl

Fertilizers and pesticides making their way into the water is what type of pollution?

• chemical
• biological
• thermal
• air

Which of the following is most responsible for acid precipitation?

• burning of fossil fuels
• natural changes in the atmosphere
• changes in climate
• decrease in ozone levels

Cutting down trees could lead to what?

• erosion
• eutrophication
• urbanization
• chemical pollution