In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
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Question: Porcine insulin has _ different amino acid and bovine insulin has three different amino acids.

Answer: one


Question: Acute sinusitis is any infectious process in the sinus lasting from one day to _ weeks.

Answer: three


Question: Vipers reach a length of slightly over _ feet.

Answer:
two