The human impact on the environment

Front

Is it correct to interchange the terms climate change and global warming?

Back

Not really. These terms do not mean the same.

Front

"A long-term change in the average weather patterns that have come to define Earth’s local, regional and global climates" refers to...

Back

Climate change

Front

"The long-term heating of Earth’s climate system observed since the pre-industrial period due to human activities" refers to...

Back

Global warming

Front

What is the difference between climate change and global warming?

Back

Climate change refers to both human and naturally produced warming and the effects it has on our planet, whereas global warming refers just to human activity.

Front

The process that occurs when gases in Earth's atmosphere trap the Sun's heat

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Greenhouse effect

Front

What are the most important greenhouse gases?

Back

Carbon dioxide, methane and water vapour

Front

The ozone holes are produced by...

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atmospheric pollution

Front

The water contamination is caused by...
Options:
- presence in groundwater of toxic chemicals that exceed what is naturally found in the water
- presence in groundwater of toxic chemicals and biological agents that exceed what is naturally found in the water
- presence in groundwater of toxic biological agents that exceed what is naturally found in the water
- None of the above are correct.

Back

presence in groundwater of toxic chemicals and biological agents that exceed what is naturally found in the water

Front

What are the basic phases in recycling?

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The collection of waste materials, their processing or manufacture into new products, and the purchase of those products, which may then themselves be recycled.

Front

What are the two broad types of recycling operations?

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Internal and external