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

Question I was asked: Plants on hills keep dirt in place during a rain storm. Plant roots grow into the dirt and keep the dirt from moving. Why do roots grow into the dirt?

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

Question I was asked: Scientists working for a company are testing a new medicine that they think will help heal damaged tissue. In which part of the company are the scientists working?

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

Question I was asked:
The directions for making a protein