B. Thymine have the same percentage as adenine and Cytosine and guanine have 28%, which combined together you get 100%
water vapour stays in the atmosphere for a much shorter period of time. Water vapour will generally stay in the atmosphere for days (before precipitating out)
Answer:
amino acid
cholesterol
enzyme
i thought it would be monomer or monosaccharide but i guess not
formaldehyde
dipeptide
that's all i could answer sorry.
