What are the two concerns about students' academic life?​

Bella is going to write a research paper. she chose sports as her topic, but her teacher said she must narrow or limit her topic. choose the topic that limits the broad topic of sports the most. a) a history of sports in the united states b) a history of tennis c) rules and etiquette of tennis d) training and equipment for outdoor sports

The story line remains the same. the kids live in what was then one of the remaining beachfront slums, down the coast from the expensive malibu area. the beach was ruled by surfers, but in the afternoon, when the waves died down, some of the surfers, or their younger brothers, fooled around on skateboards. one day, skip engblom, the shop owner, comes up with a key breakthrough, polyurethane wheels: "they grip." with the additional traction, the z-boys try skating the sides of the big, open drainage canal that runs through the area. then comes a brainstorm: because of a drought, the area's swimming pools were drained. the kids started "borrowing" pools when the owners weren't home, to skate the curved sides.” where did “the lords of dogtown” originally practice their tricks? a. the beach c. an open drainage canal b. empty pools d. none of these

Is the group of words a simple sentence, a compound sentence, or a run-on sentence? jan went on a quiz show, won two hundred dollars, and bought gifts for her family. a. run-on sentence b. compound sentence c. simple sentence