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5
|
A pollutant formed when carbon burns in a limited supply of oxygen (6,8)
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7
|
About 0.04% of the Earth's atmosphere is this gas (6,7)
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10
|
A pollutant formed when the nitrogen and oxygen in the air react (8,7)
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11
|
Cutting down large areas of trees and forests (13)
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13
|
The process that all green plants carry out (14)
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14
|
An increase in average global temperatures causes this (7,6)
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18
|
Tiny particles of unburnt carbon, also called soot (12)
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21
|
Limestone and Fossil Fuels all do this to carbon dioxide (6,2)
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22
|
It's formula is CH4
|
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23
|
What created the original atmosphere on Earth (9)
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|
|
|
|
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1
|
'The ______ Effect', the way that some gases act as an insulating blanket around the Earth (10)
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2
|
About 80% of the Earth's atmosphere is this gas (8)
|
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3
|
When gases like sulphur and nitrogen dioxide dissolve in water, it makes this (4,4)
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4
|
The % of which gas in the atmosphere increased due to green plants (6)
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5
|
The amount of carbon dioxide emitted by a product, service or event (6,9)
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|
6
|
When the Earth cooled down, water vapour did this (9)
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|
8
|
One impact of global climate change (8)
|
|
9
|
Carbon Monoxide has is a _____ gas (5)
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|
12
|
How the carbon dioxide got into the oceans (9)
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|
15
|
Animals that release a lot of the greenhouse gas methane (4)
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16
|
The first green plants that evolved in water (5)
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|
17
|
Particulates cause this (6,7)
|
|
19
|
Abut 1% of the Earth's atmosphere is this gas (5)
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|
20
|
The ideas around how the Earth's early atmosphere formed and changed are called (8)
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