Whoever answers first and it's correct gets 30 points and the brainliest! Which is an example of only potential energy.

Question 5 options:

A. a skateboard rolling down a hill.

B. an apple step on top of the teacher’s desk.

C. an elevator moving up to the 3rd floor.

D. a puppy sleeping on the ground under a tree.

B

Explanation:

A and C are already moving, and a puppy is asleep so B

Hope this helps lz hit the crown :D

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]