Question

what measurement can help us determine if an object is at rest or in motion? a change in an object’s position b change in an object’s color c change in an object’s temperature d change in an object’s odor

Explanation:

To determine if an object is at rest or in motion, we observe its position over time. A change in position indicates motion, while no change means rest. Color, temperature, or odor changes don't relate to motion.

Answer:

a. change in an object’s position