When a scientist discovers something new, they determine it is a living thing if it _. a
is moving
b
takes up space
c
has mass
d
is made of cells

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

What are several ways to reduce the effect of friction

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?