jayalxhantelle jayalxhantelle

09-07-2024
Geography

Answered

Which period has the least amount of carbon dioxide?

Answer :

thamuzkri thamuzkri

09-07-2024

Answer:

Concentrations of CO 2 in the atmosphere were as high as 4,000 ppm during the Cambrian period about 500 million years ago, and as low as 180 ppm during the Quaternary glaciation of the last two million years

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