Diagrams help us interpret information by: A. circulating information on a networked highway
B. persuading people to read important studies
C. putting words into indefinable categories
D. conveying relationships between multiple things.

D. conveying relationships between multiple things.

Explanation:

If you look at a diagram, you'll see multiple squares or circles connected together by lines. These are used to represent certain things and show their relationships. They could be different job roles, family members, etc.

my bad lil sis i promise tori

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.