Answer:
I believe the answer is b but I'm not 100% sure
Explanation:
It's referred to as the area's climate
Answer: (x+7)(x-7)
how to get answer:
x^2-49 rewrite as
x^2-7^2
use diff of perf squares: a^2-b^2=(a+b)(a-b)
(a=x, b=7)
fill in the formula of the parenthesis
(x+7)(x-7)
to check you answer is correct, you can foil the answer (x+7)(x-7)
The answer is B: the instructions for making some proteins are not specified by genes.