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

Q: When water is heated by magma and makes its way to the surface and creates a(n) geyser.

A: When water is heated by magma and makes it's way to the surface what is created?
****
Q: 2 hydrogen, 1 oxygen atoms combine to make up a molecule of water.

A: What atoms combine to make up a molecule of water?
****
Q: As a myotube is formed from many different myoblast cells, it contains many nuclei, but has a continuous cytoplasm.

A:
As a myotube is formed from many different myoblast cells, it contains many nuclei, but has a continuous what?
****