How do scientists measure changes in the levels of global atmospheric co2?

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asked Oct 8, 2020 212k views

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James McPherson · Answer 1 · 2020-10-13T10:28:50+0000

Step-by-step explanation:

Changes in carbon dioxide have been measured for many years, their volume is expressed in PPM, the abbreviation of Parts Per Million. It means that of every million molecules that a sample of air in our atmosphere contains, the number expressed in this measure will be co2.

How do scientists measure changes in the levels of global atmospheric co2?

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