When hot and cold air meet, the hot air rises to the top. Which process causes the hot air to rise?
A.
radiation
B.
conduction

C.
convection
D.
induction

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive