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.

[Q]: Prokaryotes mean they have ____ nucleus in which they store genetic material.
[A]: no


[Q]: Rifts develop from separate domes creating ____ legged rift faults that join each other.
[A]: three


[Q]: Enzyme enhancement is stimulated in ____ ways.
[A]:
two