Q: Fact: alternative fuel is usually a renewable resource
Question: One renewable fuel source is

A: vegetable oil

Q: Fact: the skin is the largest organ in the human body
Question: The largest organ of the human body is what?

A: outer layer

Q: Fact: farming cause nutrients in the soil to decrease
Question: crops need to be switched on a continual basis why?

A: more wanted vitamins

Q: Fact: chemical reactions cause different substances to form
Question: Marshmallows plus ____ technically make a different substance.

A:
fire