Answer:
global warming
Explanation:
so that means you multiply 380 million* 2000 years.
and that would equal around 760000000000 and that is a ton
Over the last 150 years, carbon dioxide (CO2) concentrations have risen from 280 to nearly 380 parts per million (ppm).
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C us the answer to the answer
<em>Answer:</em>
<em>4. They blow faster</em>
Answer: Dinoflagellates
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