The atmosphere - AQA Synergy

1

Which of the following gases was probably a major part of the early atmosphere?

2

The early atmosphere contained a lot more water vapour than the modern atmosphere. Where did it go?

3

What biochemical process absorbs carbon dioxide from the atmosphere and replaces it with oxygen?

4

Which of the following is the correct word equation for photosynthesis?

5

Which process removed carbon dioxide from the atmosphere?

6

Why did nitrogen build up in the atmosphere?

7

Which gas is produced during incomplete combustion of a hydrocarbon fuel?

8

What is the name of the atmospheric process which keeps the Earth warm by absorbing radiation from the Sun?

9

Which of the following is a greenhouse gas?

10

Which gas, produced by the combustion of fossil fuels, causes acid rain?