Human Impact

The study of the interaction between humans and the environment

• agriculture

• environmental science

• burning of fossil fuesl

• urban development

which is not a human activity that has changed the local and global environments on Earth

• hunting and gathering

• industry and agriculture

• urban development

• none of the above

How many years ago did humans arrive in North America ?

• 55,000

• 100,000

• 12,000

• 2,000

which one of these animals is not extinct?

• wooly mammoths

• giant sloths

• saber-toothed cats

• jaguars

this term refers to the practice of farming which includes the growing of plants as well as the raising of animals.

• environmental science

• urban development

• agriculture

• humus

machines and factories require a constant source of energy. How is this energy obtained?

• agriculture

• urban development

• burning of fossil fuels

• hunting and gathering

This term describes the process of using natural resources without depleting them.

• desertification

• sustainable development

• urban development

• agriculture

This component of soil comes from dead organisms.

• deforestation

• smog

• soil erosion

• humus

this term describes the wearing away of the soil by wind and water

• aquaculture

• pollutant

• deforestation

• soil erosion

this process occurs in dry climates and is caused by a combination of poor farming practices, overgrazing, and drought that turns productive land into desert.

• desertification

• deforestation

• aquaculture

• sustainable development