Answer:
melanin affects how one looks (1st question)
cause and effect (2nd question)
Explanation:
for the 2nd question, its cause and effect because uv rays hit our skin and our skin is affected which gives us suntan.
Adenine and thymine pair up. Just remember ATCG in that order, showing that adenine and thymine pair up, and so do cytosine and guanine
A) both have strong scientific support.
<span>3’ tcgccctactcgcgtacaccgcgtattgac 5’ </span>turns into:
5' agcgggaugagcgcauguggcgauaacug 3'
adenine becomes uracil hope this helped :)
A change in the substance by temp, color,