Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Fossil fuels come in ____ major forms coal, oil and natural gas.
three

Water emits oscillations that are measurable from ____ through Megahertz.
zero

Chimpanzees have a genetic makeup that is ____ times as diverse as that of humans.

four