instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
As a myotube is formed from many different myoblast cells, it contains many nuclei, but has a continuous cytoplasm.
answer:
As a myotube is formed from many different myoblast cells, it contains many nuclei, but has a continuous what?


question:
Diffraction is the phenomenon in which light and sound waves become circular at the point source of a barrier.
answer:
What is the phenomenon in which light and sound waves become circular at the point source of a barrier?


question:
High explosives create shock waves that exceed the speed of sound, a phenomenon that goes by supersonic term.
answer:

High explosives create shock waves that exceed the speed of sound, a phenomenon that goes by what term?