2. Which of the following is NOT true about waves?
a. They carry energy.
b. They transfer matter.
c. They can be longitudinal.
d. They require a medium.

b.) they transfer matter.

Explanation:

Although waves carry energy, they do not carry matter.

You will notice that a wave in the water will move, but an object in the water will not move with it. This is because a wave does NOT transfer matter with it.

I hope this helps :)

it is the most commonly accepted one

a