WHAT IS A VARIABLE? Group of answer choices

A QUANTITY THAT CAN HAVE MORE THAN A SINGLE VALUE

A QUANTITY THAT CAN HAVE ONLY A SINGLE VALUE

A QUANTITY THAT ALWAYS HAS THE SAME VALUE

Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.

An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?

On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)