All the kids are depressed nothing ever makes sense I'm not feeling all right

The first step in treating water from a river or lake is usually

For yokos physical fitness class she is supposed to do a certain amount of aerobic exercise what is best for her

You are travelling on a long non-stop flight from tahiti to tampa. you have been in the air for about 7 hours and have not moved, since you boarded the plane at tahiti. you need to use the rest room and on standing up feel dizzy. the best explanation for your dizziness