Water, Air, and Land Resources

Front

What percentage of the Earth is covered in water?

Back

71%

Front

What are the main causes of glacier melting?

Back

Chlorofluorocarbons, burning coal, deforestation, and other human activities.

Front

What is one issue with mining?

Back

Mining can cause cancer.

Front

What is the result of sulfur dioxide and nitrogen oxides released by power plants?

Back

It creates acid precipitation.

Front

What percentage of water on Earth is usable freshwater?

Back

1%.

Front

Define freshwater.

Back

Water that is not salty and can be found in rivers, lakes, and glaciers.

Front

What is acid precipitation?

Back

Rain, snow, or fog that has a lower pH than normal, often caused by pollutants.

Front

What are chlorofluorocarbons (CFCs)?

Back

Chemical compounds used in refrigeration and aerosol propellants that harm the ozone layer.

Front

What is soil erosion?

Back

The removal of the top layer of soil, which can be caused by water, wind, or human activity.

Front

What is the impact of deforestation on the environment?

Back

It leads to loss of biodiversity, increased carbon dioxide levels, and soil erosion.