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The earths early atmosphere apparently lacked? A.Oxygen B.water vapor C.ammonia D.Carbon dioxide
The earths early atmosphere apparently lacked Oxygen. - -
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User: The earths early atmosphere apparently lacked? A.Oxygen B.water vapor C.ammonia D.Carbon dioxide

Weegy: The earths early atmosphere apparently lacked Oxygen. - -
Expert answered|vanilla2bean|Points 3926|

User: If two organisms are in a symbiotic relationship and one causes harm to the other, that relationship is called? A.capitalism B.parasitism C.mutualism D.communism

Weegy: If two organisms are in a symbiotic relationship and one causes harm to the other, that relationship is called: Parasitism - -
Expert answered|vanilla2bean|Points 3926|

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Asked 1/31/2013 11:55:08 AM
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