In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
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Question: Saturated bonds are when each of the carbons has _ single bonds as in the top figure.

Answer: four

Question: Flatworms exhibit _ forms of life styles, free-living and parasitic.

Answer: two

Question: Salt water has _ times more salt that the body can safely ingest.

Answer:
seven