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

Question I was asked: David planted ten corn seeds in sandy soil and ten corn seeds in clay soil. He kept both groups of plants at room temperature, gave them the same amount of water, and placed them all in the same sunny room. Which of the following questions is David most able to answer with his experiment?

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

Question I was asked: The functions of a plant's roots are to support the plant and

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

Question I was asked:
In most animals, combinations of various tissues make up functional units called