Complete the statement to describe the sodium-potassium pump. The sodium-potassium pump moves
[ ] ions into the cell and
[ ] ions out of the cell

What is friction? how does it affect the motion of an object?

Cho is making a bar graph showing the amount of money spent on health care between 1999 and 2005. the dependent variable is the: a: money spent b: year c: number of patients

Does the earth behave like a magnet how do you prove it