Answer:
its option 2 and 4
Explanation:
because i'm the best and i already read this :)
Answer:
d horse ,................................ I think
For the first 12 hours after conception, the fertilized egg remains a single cell. ... During the first 8 or 9 days after conception, the cells that will eventually form the embryo continue to divide
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Long strands of double-helical DNA fit into the nucleus of a single cheek cell, the double helix is packaged and wrapped around proteins, folded back onto itself and coiled into a compact chromosome. 4.
Fixation or volatilization, mineralization, nitrification, immobilization, and denitrification.
