Answer: C
C3 carbon fixation is more common in areas with high light intensity than C4 carbon fixation.
Answer = C
I believe it's D, because without "(especially the corn)" its a complete sentence that still makes sense.
Answer:
What, When, Where.
Explanation:
What is in the background, What is the time, year, day ect..., And where does the setting take place.
I believe the answer is A.) However because it is used to show how petroleum is different than coal which is a contrast.
Where are the options to choose from as a response to the question?