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Flashcards in Environmental Science Alternative Energy Deck (4)
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1

What is global warming?

Global warming refers to the average increase in global temperature of the atmosphere; it is the main driving force for the climate change.

2

What are the effects that positive feedback will cause?

•Reduction of ice and snow cover
•Melting of permafrost
•Increase water vapour due to evaporation

3

What effect does negative feedback causes?

•Increase cloud cover
•Increase plant growth

4

What is climate change?

Climate change refers to the change on average pattern of weather over a long period of time.