Which layer of the atmosphere has the air we breathe?

In a system, when potential energy decreases, then entropy also decreases. true false

A200 g lead frying pan gains 2000 joules of heat. what is the change in temperature

Abenefit of using good human relations is that you'll a. have an easy time getting a better job. b. adjust to new situations better. c. find new and better friends. d. try to outdo your friends.