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.

[EX Q]: Maps are ____ dimensional representations of the earth's surface.
[EX A]: two

[EX Q]: Hedgehogs give birth to one to ____ babies which are born with the spines just below the skin.
[EX A]: seven

[EX Q]: Comprehension is the second of the ____ elements of the informed consent process.
[EX A]:
three