Abasketball has been left out in the cold. the next day you find that it has become soft. what do you do to get it back to shape and why?
a) leave it alone to warm up
b) pump it up a little
c) get a new basketball

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

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.