G U Y S I S M E G I R L P O W E R P L S F R I E N D M E

What percentage of the earth's water is available for use by living things?

Jasmine thinks that andrea is responsible for posting embarrassing pictures of her on the internet and sending them around the school. jasmine finds andrea before school and starts yelling at her about taking the pictures down. andrea pushes jasmine. what should jasmine do first?

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?