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

In order to place a satellite into orbit, it requires enough fuel to supply the necessary mechanical energy. into what types of mechanical energy does the fuel get transformed?

According to newton's second law, when the same force is applied to two objects of different masses, a the object with greater mass will experience a great acceleration, and the object with less mass will experience an even greater acceleration, b. the object with greater mass will experience a smaller acceleration, and the object with less mass will experience a greater acceleration, c. the object with greater mass will experience a greater acceleration, and the object with less mass will experience a smaller acceleration, d. the object with greater mass will experience a small acceleration, and the object with less mass will experience an even smaller acceleration.

This is the substance(s) formed in a chemical reaction.