Answer:
A.
Explanation:
It is not relevant to the rest of the paragraph and is unnecessary detail
Answer:
Mammals are different from fish, reptiles or birds
Explanation:
This is the correct answer because since dolphins are mammals, they are very different from the other types of animals such as fish, reptiles, or birds; this is emphasized in this paragraph ;)
18) speaks
19) meet
20)smoke
21)not to go
22)has been waiting
23) have I talked to
24) are expected
25)that you be
26)should have told
