The same event happens in two different places on the same day. one happens in rural america. the other happens in urban america. a newspaper chooses to report the incident in urban america on the front page of the paper and the incident in rural america on the second page. this is an example of

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.