<span>B.) traffic congestion
</span><span>C.) increasing the temperature of the urban heat island</span>
Answer:
ATCGCGGGAA
Explanation:
The way I learned this was with the word "GCAT". G pairs with C and vise-versa and A pairs with T and vise-versa. This is how you know what the opposite chain of DNA will look like.
Answer:
Substrate
Explanation:
The substrate fits into the action site of the enzyme.
I believe the answer is B. They were no longer able to acquire the necessary characteristics for survival in a changing environment. I think it is B. because trilobites mostly went extinct because of the event that wiped out 95% of Earth's species. So they didn't have the characteristics to survive. Hope I helped!