I was just wondering if someone can help me with this question

B. Uracil

Explanation:

Although RNA is typically single-stranded, base pairing does occur. In RNA adenine binds to uracil and cytosine binds to guanine

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.