instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Half-life property of carbon and other elements can be used to date fossils and rocks, among other things.
answer:
What property of carbon and other elements can be used to date fossils and rocks, among other things?


question:
Protons and neutrons are made of quarks, which are fundamental particles of matter.
answer:
A fundamental particle of matter, protons and neutrons are made of these?


question:
Glaciers deposit their sediment when they melt.
answer:
When do glaciers deposit their sediment?