What is something the brain does while a person is asleep? interrupts all activity
accumulates waste materials
studies new problems
creates long-term memory

For a test need help ASAP

Have a plan for where to go in an emergency, pack a bag with plenty of food and water stock regularly replacing expired food; pack flashlights,batteries, and a first aid kit. go over the plan with your family once a month, when disaster happens seek shelter and wait for .

Its good but its addictive and is expensive smoking it has no effect on the body