C1 Flash Cards

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What is the earths atmosphere made of?
78% Nitrogen, 21% Oxygen, 1% Argon/Other
1 of 6
How and when was the earth formed?
4 billion Years ago by gases given out by volcanoes
2 of 6
How were oceans formed?
As the earth cooled, oceans where formed by condensed water
3 of 6
What are Particulates?
Pollution in the form of particles in the air
4 of 6
What are pollutants?
Harmful substances in the enviroment
5 of 6
3 Examples of pollutants?
Carbon Monoxide, Nitrogen oxides, sulphur dioxide
6 of 6

Other cards in this set

Card 2

Front

4 billion Years ago by gases given out by volcanoes

Back

How and when was the earth formed?

Card 3

Front

As the earth cooled, oceans where formed by condensed water

Back

Preview of the back of card 3

Card 4

Front

Pollution in the form of particles in the air

Back

Preview of the back of card 4

Card 5

Front

Harmful substances in the enviroment

Back

Preview of the back of card 5
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