which type of sentence is this? humans breathe in before they dive underwater, but harbor seals exhale and…

which type of sentence is this? humans breathe in before they dive underwater, but harbor seals exhale and then use stored oxygen for breathing. simple compound complex compound - complex

which type of sentence is this? humans breathe in before they dive underwater, but harbor seals exhale and then use stored oxygen for breathing. simple compound complex compound - complex

Answer

Brief Explanations:

A compound sentence has two independent clauses joined by a coordinating conjunction like "but". Here, "Humans breathe in before they dive underwater" and "harbor seals exhale and then use stored oxygen for breathing" are two independent clauses joined by "but".

Answer:

B. compound