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The air on Mars is composed of A. carbon dioxide, nitrogen, and argon. B. carbon dioxide, oxygen, and nitrogen. C. hydrogen, oxygen, and nitrogen. D. nitrogen, argon, and hydrogen.
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The air on Mars is composed of: carbon dioxide, nitrogen, and argon.
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Asked 4/1/2014 11:00:38 AM
Updated 4/1/2014 12:06:49 PM
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The air on Mars is composed of: carbon dioxide, nitrogen, and argon.
Added 4/1/2014 12:06:49 PM
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How has modern civilization affected Earth’s atmosphere? A. by adding carbon dioxide and increasing ozone B. by depleting carbon dioxide and adding to the ozone C. by adding carbon dioxide and by destroying ozone D. by depleting carbon dioxide and destroying ozone
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Updated 1/29/2015 9:18:59 AM
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Modern civilization has affected Earth’s atmosphere: by adding carbon dioxide and by destroying ozone.
Added 1/29/2015 9:18:59 AM
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No spacecraft has ever landed on Mars. A. True B. False
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Not Answered
Updated 4/1/2014 1:00:08 PM
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No spacecraft has ever landed on Mars. This is False.
Added 4/1/2014 1:00:08 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [4/1/2014 1:02:45 PM]
The planet Venus has active volcanoes that have resurfaced the entire planet within the last half a billion years. A. True B. False
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Updated 2/28/2018 4:30:19 PM
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The planet Venus has active volcanoes that have resurfaced the entire planet within the last half a billion years. TRUE.
Added 2/28/2018 4:30:19 PM
This answer has been confirmed as correct and helpful.
Confirmed by Masamune [2/28/2018 4:40:06 PM]
The division between light and darkness on the moon is called A. the maria. B. the albedo. C. the lunar highland. D. the terminator.
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Updated 3/31/2014 4:48:48 PM
1 Answer/Comment
The division between light and darkness on the moon is called the terminator.
Added 3/31/2014 4:48:48 PM
This answer has been confirmed as correct and helpful.
Confirmed by alfred123 [3/31/2014 4:51:10 PM]
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