I just took a test in school today. What question was I asked?

Question I was asked: Green plants get the energy they need to make food from

I just took a test in school today. What question was I asked?

Question I was asked: How should researchers share their findings with other scientists to validate their study of the effectiveness of a new medication?

I just took a test in school today. What question was I asked?

Question I was asked:
Some schools have programs to recycle paper products such as student papers, newspapers, and cardboard boxes. Which of these statements describes a positive effect of recycling paper products?