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Title: Why is the concentration of carbon dioxide rapidly increasing in Earth's atmosphere? Post by: Guido on Apr 24, 2017 Why is the concentration of carbon dioxide rapidly increasing in Earth's atmosphere?
A) Earth is warming. B) More photosynthesis is occurring. C) The ozone layer has become much thinner. D) Many human activities release carbon dioxide. E) The oceans are cooling. Title: Re: Why is the concentration of carbon dioxide rapidly increasing in Earth's atmosphere? Post by: kont24 on Apr 24, 2017 Content hidden
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