Question

NEED HELP ASAP!!!

:SCIENCE
You can tell if an object is in motion if _____.

A.it appears to move backward when another object moves forward
B.its reference point is in motion
C.its reference point is stationary
D.its position changes relative to a reference point

Answer 1

D, its position changes relative to a reference point

Step-by-step explanation:

To tell if an object is moving, you use a reference point. If an object's distance from another object [reference point] is changing. A place or object used for comparison to determine if something is in motion.

Answer 2

D

Step-by-step explanation:

An object can be seen as in motion when compared to a reference point. For example, you can tell the car you are sitting in is in motion by watching as the road seems to be moving under you.