Which word identifies the kind of sentence that contains the main idea?

Why should college athletes not get paid for play claim: state the point of a of why they shouldn't then direct quotation to support why they shouldn't then explain a point b then direct quotation to support point b that you just answered above

Which sentence is correct? laura lent me her copy of cooking weekly so i could use a recipe. i enjoy doing crossword puzzles from the new york times. herman melville wrote the novel “moby d i ck.” maggie loves to read the smithsonian magazine.

Which statement contains an opinion? the ants serve to protect the acacia from other plants and herbivores. the acacia depends on pollinators for the exchange of genetic material. the acacia has no chemical defenses to discourage herbivores. the ants provide the acacia with the best protection from other plants and herbivores.