Question and answer
Where does all energy for most organisms on Earth come from? A. oxygen B. carbon dioxide C. water D. sunlight
All energy for most organisms on Earth come from sunlight.
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bolingit|Points 156|
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Asked 11/12/2014 8:47:59 AM
Updated 11/12/2014 9:03:37 AM
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This answer has been confirmed as correct and helpful.
Edited by yumdrea [11/12/2014 9:03:30 AM]
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Questions asked by the same visitor
Use the equation above to answer this question: When two moles of ethane react completely with oxygen, how many moles of carbon dioxide will be produced? A. 2 B. 4 C. 8 D. unknown number
Weegy: What is the equation? (More)
Question
Updated 11/11/2014 7:58:42 PM
1 Answer/Comment
2 C2H6 + 7 O2 = 6 H2O + 4 CO2
When two moles of ethane react completely with oxygen, 4 moles of carbon dioxide will be produced.
Added 11/11/2014 7:58:42 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/11/2014 10:56:38 PM]
2Mg + O2à MgO For this unbalanced chemical equation, what is the coefficient for oxygen when the equation is balanced? A. 1 B. 2 C. 3 D. 4
Weegy: answer is B. the coefficient for oxygen when the equation is balanced should be 2 (More)
Question
Updated 11/11/2014 8:00:11 PM
1 Answer/Comment
2 Mg + O2 = 2 MgO
when the equation is balanced, the coefficient for oxygen is 1.
Added 11/11/2014 8:00:11 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/11/2014 10:55:24 PM]
In winter many dogs grow a thick coat of fur. This is an example of A. reproduction. B. adapting to change. C. genetic engineering. D. artificial selection.
Weegy: In winter many dogs grow a thick coat of fur. This is an example of adapting to change. (More)
Question
Updated 11/11/2014 10:31:05 AM
0 Answers/Comments
To be considered a living thing an organism must be able to A. reproduce. B. digest food. C. move on its own. D. breathe oxygen.
Weegy: To be considered a living thing an organism must be able to move on its own. (More)
Question
Updated 11/11/2014 10:29:39 AM
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