In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
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Question: Porphyritic textures form primarily because of _ rates of cooling.

Answer: two

Question: Sturgeons are shark-like in form but are unique in having _ rows of bony plates along the body.

Answer: five

Question: Some children take their first steps at _ months, others at fourteen months.

Answer:
ten