Answer:
An organism's DNA affects how it looks, how it behaves, and its physiology. So a change in an organism's DNA can cause changes in all aspects of its life. Mutations are essential to evolution; they are the raw material of genetic variation. Without mutation, evolution could not occur.
Explanation:
Answer:B. Their DNA molecules have different numbers of strands.
Explanation:that is chromosome that make them to differ in diploid numbers thus differ generally and appear differently
Answer:
There could be chemical reactions like indigestion, fermentation, putrefaction and gas formation and, if prolonged, can lead to toxemia and disease.
Explanation:
If the student has mass 75 kg, and if the stairs are 3 m high, then
<span>work = mgh = 75kg * 9.8m/s² * 3m = 2200 J </span>
<span>so I'd say "one one-hundredth." </span>
<span>Except that I think 5000 cal ≈ 20.95 kJ (not J), and that would change my answer to </span>
<span>"ten times or so".
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Very simply, I think that they may block the sun's rays from reaching the Earth, cooling down the planet, or they may eventually end up being turned into acid rain and rain back down to the Earth.
