Respuesta :

Answer:

i think it is b. Dolphins are breathing only when they are above the water.

Explanation:

im sorry if its not correct

best wishes

Answer: C. Breathing is a basic function controlled by the brain.

Explanation:

A gerund is a verb that functions as a noun.

In this sentence, "Breathing" is both a verb and a thing. (Noun = person, place, or thing)

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