There are 4 electrons altogether shared between carbon atoms in a molecule of C2H4, to be more precise there are 2 electron pairs shared between the carbon atoms.
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<span>A.) DNA can store genetic information and most likely appeared before RNA.
B.) DNA is more linear than RNA and most likely appeared before RNA.
C.) RNA can catalyze biological reactions and most likely appeared before DNA.
D.) RNA is more stable than DNA and most likely appeared before DNA.
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i think the answer is A.
Answer:
The three main parts of the earth are the crust, the mantle, and the core.
Explanation:
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Fish? Some fish eat algae and algae are plants
