It is all in the pyramid
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Answer:

Explanation:
because they chemically decompose
The experiment shows that the cells can divide themselves to fill in the empty space
Answer: The answer is B
Explanation:
This is a known knowledge about how hurricanes form. It's the same with El Nino, Good Luck.
Answer:
D. MicroRNA-1/206 targets c-Met mRNA for destruction via RISC.
Explanation:
microRNA's are non-coding RNA's, that is, they are not translated to proteins. MicroRNA-1/206 leads to gene silencing by 'tagging' the c-Met mRNA for cleavage by RISC proteins.
RISC: RNA-induced silencing complex is a ribonucleoprotein complex that leads to the incorporation of a single strand of micro RNA (or siRNA) that will bind to the targeted mRNA. The microRNA or siRNA strand will tag the targeted RNA for cleavage by proteins from the ribonucleoprotein. No translation will occur.