As electrons move from the higher to the lower energy level, they release energy and occurs.
a. excitation
b. ground state
c. emission
d. quantum state

Plz mark brainliest 30 points1) 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?

How hot is the suns corona? (integrated science)

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest