How do you know an object is in motion?
a. it has inertia
b. it has mass
c. it is changing position
d. it has a reference point

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Aphysical change is a change in the size, shape,, or stafe of matter true or false