How does compression reduce swelling after an injury?

a.
it cools the injured tissue.
b.
it keeps the injury elevated.
c.
it cuts off blood flow.
d.
it narrows blood vessels.

Brian said that when you get your body broken such as a arm or leg. it means your bones break to pieces and must do surgery or get a cast to fix it.is it true or false?

How could natural selection best be used to explain the evolution of the white fur of arctic fox

You're in the breakroom at work when you see a coworker posting a cartoon on the bulletin board. you read it as you pass, and it's a joke about women breastfeeding in public. a male walks up, looks at it and starts laughing. other make employees walk up, and one takes it down saying he is going to make copies for everyone. what do you do?