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11-02-2017
Biology

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How has the amount (level) of Carbon Dioxide in the atmosphere been changing over the past 1000 years?
Question options:

Carbon dioxide levels have remained the same.

Carbon dioxide levels have decreased.

Carbon dioxide levels cannot be measured.

Carbon dioxide levels have increased.

How has the amount level of Carbon Dioxide in the atmosphere been changing over the past 1000 years Question options Carbon dioxide levels have remained the sam class=

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11-02-2017

The CO2 has started to increase as we get closer to the end of the 1000 years.

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