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1
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Atmosphere is made up primarily of ____, carbon dioxide and oxygen
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2
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Natural events such as _____ temporarily increase concentrations of GHGs in the troposphere
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5
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Carbon can remain locked up (sequestered) in ___ for centuries and soil for millions of years
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6
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A human made GHG with very high warming potential which persists in the atmosphere for thousands of years
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7
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A natural process where carbon is cycled from organisms to the atmosphere
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9
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Levels of GHGs remained relatively _____ in the troposphere until the industrial revolution
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11
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Ocean ___ are a long term store of carbon
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12
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The contribution of a GHG to the GHE is based on the capacity to absorb ____
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13
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Climate change is normal. But the ___ of change is what causes concern - this coincides with anthropogenic activity.
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16
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A ____ will remove, store or absorb a GHG from the environment long term
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17
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Global ___ temperatures are a measure used to assess the rate of climate change
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23
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Fraction of solar energy reflected from the Earth into space
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24
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Natural events such as _____ temporarily increase concentrations of GHGs in the troposphere
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25
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A form of carbon sequestration is when carbon dioxide dissolves in sea water to form carbonic ____
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26
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Carbon locked up in forests or soil for millions of years is released when land is cleared for ____ or natural selection
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27
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Fossil fuels are an example of long term ____ storage
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