Im not sure if it is the right answer, but Imma say fossil fuels #Brainiac
Answer:
A.The two proteins have different functions.
Explanation:
I think you forgot to give the options along with the question. I am answering the question based on my knowledge. Appalachian mountain range is well known for providing coal, copper and iron. Any of these choices can be your answer. Coal is actually the most abundant. I hope that the answer helps you.
Answer:
Balanced
Explanation:
Both forces add up to 380N.