paper companies cannot make enough paper. using recycled paper reduces the cutting of new trees. most paper is made from species of trees that are endangered. recycled paper is less expensive than paper made without recycling.
I gave my students this multiple choice question: Recycling of a resource, such as paper, is important because

Only one answer is correct among these 4 choices:
- paper companies cannot make enough paper.
- using recycled paper reduces the cutting of new trees.
- most paper is made from species of trees that are endangered.
- recycled paper is less expensive than paper made without recycling.

Could you tell me which one is correct?

using recycled paper reduces the cutting of new trees.