Which of the following statements is true?

a. the moon is not lit by the sun.
b. the entire moon is lit by the sun at the same time.
c. only half of the moon is lit by the sun at a time.
d. there is no day or night on the moon.

What statement is true about all chemical changes? a) chemical changes can be undone. b) chemical changes cannot be reversed. c) chemical changes change the color of objects. eliminate d) chemical changes do not form new products.