Answer:
The answer is to show that Earth's water is not changing rapidly as it once was.
I'm no angrier about this than anyone else.
Because of the word 'no' , it cannot be the other answers.
The best answer for this question would be:
C. were helping
The answer is C, because the one noun is a singular while
the other one is paired with a plural, so the verb should be in plural form as
much as possible.
