Certain gases in the atmosphere trap heat on earth.

what is the name of this phenomenon?

a.
the greenhouse effect

b.
global warming

c.
glacial melting

d.
cooling period

this is science not mathematics

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76