Human Impact on Resources

Which correctly lists three main causes of deforestation?

• air pollution, mining, logging

• mining, cattle ranching, logging

• cattle ranching, water pollution, air pollution

• water pollution, logging, mining

What process leads to deforestation and increased erosion?

• mining

• reforestation

• desertification

• urbanization

Which is a negative effect of deforestation on the environment?

• habitat restoration

• desertification

• soil production

• urbanization

Which term refers to the process by which land is worn away by natural forces or human activity?

• erosion

• desertification

• urbanization

• deforestation

Which is a nonpoint source of pollution?

• Tourists throw trash into the ocean.

• A car mechanic pours oil on the ground.

• Rain contains chemicals that seep into the ground.

• A pipe dumps waste from a factory into a stream.

What human activity contributes to air pollution?

• construction

• reforestation

• habitat restoration

• dam development

Which activity is a method of habitat restoration?

• cleaning up after environmental disasters

• allowing trees to grow naturally

• farming techniques like terrace farming and tree belts

• creating a reservoir to prevent flooding

What is the most effective way to protect dry lands from desertification?

• terrace farming

• mine digging

• planting a tree belt

• constructing a dam

What is one way to make a positive impact on air quality to reduce air pollution?

• moving to a large city

• using public transportation

• planting crops in terraces

• releasing gases into the air

How has the EPA improved air quality over the last 30 years?

• by monitoring pollutants and passing regulations to reduce air pollution

• by decreasing soil erosion and dust storms

• by building marine refuges to help protect marine life and reduce air pollution

• by decreasing of fossil fuel use in motor vehicles and industry