instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Light retains its original color under water because frequency remains the same when light is refracted.
answer:
Light retains its original color under water because what remains the same when light is refracted?


question:
Amount of salt are aquatic biomes often classified.
answer:
How are aquatic biomes often classified?


question:
Cytokinesis divides the cytoplasm into two distinctive cells.
answer:
Cytokinesis divides what part of the cell into two distinctive cells?