What happens to the potential energy of a book that is dropped from a desk to the floor? A.
It gains mass.

B.
It stays the same.

C. It increases as the book falls.

D.
It is converted into kinetic energy.

D.   It is converted into kinetic energy.

Explanation:

When a book is dropped from a desk to the floor, the potential energy of the book is converted to kinetic energy as it falls.

the correct answer is answer a. a mixture

no other options make sense

hope this

have a great day : )

  - sprinkles

i think it is d. e because the next one is igneous.