The ozone layer is in witch part of the atmosphere?
a. troposphere
b. mesosphere
c. thermosphere
d. stratosphere

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.