Match each front with its description. when a cold air mass slides under a warm
air mass
warm front
when a cold air mass and a warm air mass
meet and do not move
stationary front
when two cold fronts force a warm front up
and block it from the surface
cold front
when a warm air mass slides over a cold air
occluded front
mass

Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

In one or two grammatically correct sentences, write a definition for the term molecule geometry