instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Radioactivity is the release of particles and/or energy from the nucleus of an atom.
answer:
What is the release of particles and/or energy from the nucleus of an atom described as?


question:
If an air mass forms over an ocean it is called a maritime air mass.
answer:
If an air mass forms over an ocean it is called what type of air mass?


question:
Potential energy is stored in an object because of its position or shape.
answer:

What type of energy is stored in an object because of its position or shape?