I’m pretty sure its 21 cause 9+10 is 21
Answer:
I would say yes because If we have plastic in the oceon,cutting down trees, killing animals. Then Future genarations won't be able to see the tigers elephants and the other animals that we have now. In order for humans to change is if we stop using plastic or just reuses clothes, plastic,shoes,paper.
Explanation:
The answer is variant B verb because it exprime an action made by the subject.
A refutation or contradiction.
I strongly believe that it is B. I know it isn't D because it doesn't compare or contrast asthma to something else.