Answer:
I think it would be A. Leave it as is, because the other answers don't sound right, or don't have any commas.
Hope this helped! :)
To persuade.
This is sort of like an advertisement- and advertisements often want to persuade you to do something benefiting the company/organization. In this case, this article is trying to persuade you to donate blood for people in need.
Hope this helps!
Answer: there would be no humans....
Explanation: we destroyed this planet.
