Human Impact on Earth Systems

Front

What is the entire body of saltwater that covers about 69% of Earth?

Back

Ocean

Front

What happens to the pH of ocean water as carbon dioxide enters it?

Back

It decreases the pH, causing it to be more acidic.

Front

What is defined as an increase in the average temperature of the Earth's atmosphere?

Back

Global warming

Front

True or False: The carbon dioxide emitted into the atmosphere will always stay there.

Back

False

Front

What includes all water on Earth, ranging from oceans, lakes, rivers, and creeks, as well as groundwater and water vapor in the atmosphere?

Back

Hydrosphere

Front

What is the term for the layer of gases surrounding Earth?

Back

Atmosphere

Front

What is the process by which human activities increase the concentration of greenhouse gases in the atmosphere?

Back

Anthropogenic emissions

Front

What is the term for the gradual change in global or regional climate patterns, often attributed to human activities?

Back

Climate change

Front

What is the primary greenhouse gas emitted through human activities?

Back

Carbon dioxide (CO2)

Front

What is the term for the natural process that warms the Earth's surface?

Back

Greenhouse effect