How does the second paragraph of the passage support the author's purpose?
A.
It relates a funny anecdote about the narwhal that demonstrates its gentle nature.
B.
It argues that the population of narwhals is approaching a dangerously low number.
C.
It explains why the narwhal is a difficult animal for scientists to study.
D.
It describes a physical attribute of the narwhal that makes it unique.

halibut, flounder, tuna, and trout are all fish. so your first answer is 1.) fish. and since fish is edible, your next answer would be 3). edible

to describe those fishes more thoroughly, some of those fishes live in fresh water, and some of the fishes live in salt water, and that is not a thing that they all have in common. the question is asking what is common with all of the fish, so answer choices 2). fresh water and 4). salt water are not right.

answer; i believe the correct answer is ( indirect characterization);

i think its a.

an ugly duckling is teased by the other ducklings. when she grows up, however, the ducklings discover that she is a beautiful swan