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

Q: Adding the number of protons plus the number of neutrons in an atom decides its approximate mass; atomic number is another word for this value.

A: Adding the number of protons plus the number of neutrons in an atom, decides it's approximate mass, what is another word for this value?
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Q: In science, theory is supported by much evidence, widely accepted by credible scientists, and unlikely to be disproved.

A: In science, what is supported by much evidence, widely accepted by credible scientists, and unlikely to be disproved?
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Q: Vascular plants have a dominant sporophyte generation.

A:
Do nonvascular or vascular plants have a dominant sporophyte generation?
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