In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
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Question: Acrobats mount a single bicycle until _ people in all are stacked on top of it.

Answer: ten

Question: Sexual selection has _ components, intrasexual competition and intersexual selection.

Answer: two

Question: Creatine is composed of _ amino acids, and is made in the liver.

Answer:
three