Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.

Fact: recycling resources has a positive impact on the conservation of those resources
A person wanting to conserve resources in a positive way will?

Fact: down feathers are a thermal energy insulator
The purpose of bird feathers, especially down, is to?

Fact: paper is recyclable

Books can be made out of?