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Which gas has the highest concentration in dry air?
Nitrogen
1 of 10
Which gas varies in concentration with weather changes?
water vapour
2 of 10
What is the source of most of the pollutants in the air?
burning fuels
3 of 10
Which of these gases is not a pollutant gas?
argon
4 of 10
The atmosphere of the early Earth was largely made up of
carbon dioxide and water vapour
5 of 10
Which of these is improved by taking several measurements rather than one?
reliability
6 of 10
For the data 13, 15, 12, 15, 12, 13 what is the range
12-15
7 of 10
For the data 24, 23, 26, 22, 25, 24 what is the mean?
24
8 of 10
What can the mean be used as?
best estimate
9 of 10
In this set of results: 56, 58, 54, 42, 55, 56, which is the outlier?
42
10 of 10

Other cards in this set

Card 2

Front

Which gas varies in concentration with weather changes?

Back

water vapour

Card 3

Front

What is the source of most of the pollutants in the air?

Back

Preview of the front of card 3

Card 4

Front

Which of these gases is not a pollutant gas?

Back

Preview of the front of card 4

Card 5

Front

The atmosphere of the early Earth was largely made up of

Back

Preview of the front of card 5
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