The answer to this question would be A:growth factors
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Widened margins does not occur at the continental margin
I am pretty sure that it is D
With decomposition, the final deposition of particles(sediments) usually occurs at the mouth of a stream. Then a process called horizontal sorting occurs where the sediments that were once carried down are arranged from big to small. Decomposition in streams takes time so the speed of the water and wind should not affect it nor should gravity or the direction. Streams cannot change direction either unless human involement occurs
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Blastocyst . Why ? Because Each of those cells will eventually become a different part of the baby's body as they each multiply, creating muscle, bone, and organ tissues.