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  Many scientists believe that the current period of global warming is related to increased levels of        A. nitrogen in the Earth's atmosphere.   B. radon being released from the Earth's soil.   C. hydrogen in the outermost layer of the Earth's atmosphere.   D. carbon dioxide in the Earth's atmosphere.
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Many scientists believe that the current period of global warming is related to increased levels of carbon dioxide in the Earth's atmosphere.
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Asked 11/27/2017 1:42:10 PM
Updated 11/27/2017 2:54:47 PM
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Many scientists believe that the current period of global warming is related to increased levels of carbon dioxide in the Earth's atmosphere.
Added 11/27/2017 2:54:47 PM
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Confirmed by Masamune [11/27/2017 11:51:41 PM]
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A substance that enters Earth's cycles and does harm to living things is A. freshwater. B. oxygen. C. a pollutant. D. hydrogen
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Updated 11/27/2017 11:29:27 PM
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The largest mass extinction event in the history of the Earth occurred at the end of the Permian period.

Added 11/27/2017 11:29:27 PM
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Updated 9/29/2018 2:24:25 AM
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The corona is the outermost layer of the Sun's atmosphere. -is the true statement.

Added 9/29/2018 2:24:25 AM
This answer has been confirmed as correct and helpful.
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Updated 6/13/2019 1:15:57 AM
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Added 6/13/2019 1:15:57 AM
This answer has been confirmed as correct and helpful.
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Updated 4/27/2020 9:07:32 AM
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Once you acquire these two basic skills, you'll be able to transform a vague idea in your mind into a coherent piece of writing. These two basic skills are: Doing research and organizing your ideas.
Added 4/27/2020 9:07:32 AM
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Updated 11/27/2017 4:48:01 PM
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When moving from your outline to writing, you should focus on, turning the phrases in your outline into full sentences with proper punctuation.
Added 11/27/2017 4:48:01 PM
This answer has been confirmed as correct and helpful.
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