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Author Question: Which two elements make up more than 90% of the dry weight of plants? A) carbon (Read 717 times)

Hungry!

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on: Aug 13, 2013
Which two elements make up more than 90% of the dry weight of plants?
A) carbon and nitrogen
B) oxygen and hydrogen
C) nitrogen and oxygen
D) oxygen and carbon
E) carbon and potassium


clippers!

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Reply #1 on: Aug 26, 2013
I know it's D,

Have a wonderful day :)


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Hungry!

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Reply #2 on: Jun 23, 2014
Thank you ;D You're the best.


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