The difference between a "want" and a "need" is that a "need" is necessary for survival. which of the following would not classify as a need?

a. air
b. watches
c. water

How do i get the most points, without any effort?

Suppose an astronomer discovers a large, spherical-shaped body orbiting the sun. the body is composed mostly of rock, and there are no other bodies sharing its orbit. what is the best way to categorize this body? a. planet b. moon c. comet d. asteroid

Where can page numbers appear? check all that apply. in the header inside tables in the footer at the bottom of columns at the top of columns