Question

many objects in homes can have motion. which of the following objects shows a change in position? an alarm clock ringing a doorbell buzzing an oven heating a fans blades spinning

Explanation:

A change in position means an object moves from one place to another or changes its orientation. An alarm clock ringing, doorbell buzzing, and oven heating are mainly about sound - production or energy - transfer and do not involve a change in position. However, a fan's blades spinning changes their position as they rotate.

Answer:

D. a fan's blades spinning