B.
<span>A decrease in plant life would cause carbon dioxide levels to increase and oxygen levels to decrease.</span>
I think its called <span>metamorphism.</span>
Answer:
Messenger RNA (mRNA), molecule in cells that carries codes from the DNA in the nucleus to the sites of protein synthesis in the cytoplasm (the ribosomes).
Explanation:
I actually failed Biology, but my guess is Puberty.
