This topic contains a solution. Click here to go to the answer
|
|
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.