Human Impact on Earth's Systems and Processes

Front

NOT a direct result of deforestation:

Back

Increase in nitrogen

Front

Actions to prevent water pollution: Reduce harmful chemicals, dispose of waste safely, conserve water.

Back

All of the above

Front

Smog in Beijing before the 2008 Olympics threatened outdoor events due to poor air quality. Why is smog a problem in China?

Back

China relies on many coal-fired power plants with inadequate pollution controls.

Front

Greenhouse gases include nitrous oxide, methane, and carbon dioxide, but not sulfur.

Back

sulfur

Front

Increased CO2 concentration leads to:

Back

an increase in Earth's average surface temperature.

Front

A way for citizens to improve air quality is to _____

Back

use public transportation

Front

Removal of large forest areas for human use.

Back

deforestation

Front

Members of a species in a specific area

Back

population

Front

Sudden rise in human population in recent history.

Back

population explosion

Front

When forests disappear, ______ may also disappear.

Back

species