How is stratospheric ozone created? 1. Radiant energy from the sun breaks apart oxygen molecules freeing single oxygen atoms that recombine into ozone.
2. Ozone is formed in when sulfur and nitrogen oxides combine with water in the atmosphere.
3. When ultraviolet radiation passes through a depleted ozone layer it acts on oxygen at ground levels creating ozone.
4. Ozone created from NOx and VOC gases rise from low altitudes into the stratosphere and form the ozone layer.

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

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?

What metric units would you use to measure the thickness of a key