D) the cell divides in to daughter cells. Mutations occur either when they multiply or when they are interrupted by something....Hope it helps ;)
Line B as it has a lower activation energy, showing that it needs less energy for the reaction to take place
A. Nucleotides; they are molecules that form basic structural units
Answer:

Explanation:
Given,
Distance ( D ) = 10 m
Force ( F ) = 40 N
Time taken ( T ) = 10 seconds
<u>Calculating </u><u>the </u><u>power:</u>

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Hope I helped!
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It mostly looks all dark with the x-ray pictures also looks like a black hole.