Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

The term elastic potential energy is used to describe potential energy due to an object’s shape.
What term is used to describe potential energy due to an object’s shape?

Compression zones is the opposite of rarefaction zones, where air molecules in waves are loosely packed.
What is the opposite of rarefaction zones, where air molecules in waves are loosely packed?

Deep currents are convection currents that occur far below the surface of the ocean called.
What are convection currents that occur far below the surface of the ocean called?