Human Impact on Environment Flashcard

Front

What percent of all water on Earth is freshwater?

Back

3% of all water on Earth is freshwater.

Front

What mining method is most likely to destroy the habitats of wildlife?

Back

Strip-Mining is the mining method most likely to destroy wildlife habitats.

Front

What material is extracted from Earth to make concrete?

Back

Limestone is extracted from Earth to make concrete.

Front

Rank the primary uses of freshwater around the world from greatest to least.

Back

The primary uses of freshwater are ranked as follows: Agriculture, Industry, Domestic use.

Front

Which chemicals potentially cause ozone depletion?

Back

Chlorofluorocarbons (CFCs) are chemicals that potentially cause ozone depletion.

Front

What is the main cause of acid rain?

Back

The main cause of acid rain is the release of sulfur dioxide (SO2) and nitrogen oxides (NOx) into the atmosphere.

Front

Define biodiversity.

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem.

Front

What is the greenhouse effect?

Back

The greenhouse effect is the warming of Earth’s surface due to the trapping of heat by greenhouse gases.

Front

What is deforestation?

Back

Deforestation is the clearing or thinning of forests by humans.

Front

Explain the concept of sustainable development.

Back

Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.