Question:
Which of the following is found in all living organisms?
Answer:
cell
Question:
Which of the following statements best describes one way that the Moon is different from Earth?
Answer:
The Moon has almost no atmosphere.
Question:
Which type of energy in gasoline is transformed into mechanical energy in a motorcycle engine?
Answer:
chemical
Question:
Base your answer on the information below and on your knowledge of science. A baseball strikes the roof of a car and dents it. The paint on the roof begins to crack and chip, exposing the metal. The exposed metal on the roof rusts, eventually causing a small hole in the roof. Which event is a chemical change?
Answer:

The exposed metal rusts.