Determine the use of the prepositional phrase in the following sentence. the dog knocked the tennis ball under the bed. adjective or adverb?

Which sentence corrects the error in subject-verb agreement? a student who submits a research paper with a weak thesis and multiple sources is going to receive a higher grade than students who submit a research paper with a strong thesis and only a few sources. a student who submits a research paper with a weak thesis and multiple sources is going to receive a higher grade than students who submits a research paper with a strong thesis and only a few sources. a student who submit a research paper with a weak thesis and multiple sources are going to receive a higher grade than students who submit a research paper with a strong thesis and only a few sources. a student who submits a research paper with a weak thesis and multiple sources are going to receive a higher gesubmits a research paper with a strong thesis and only a few sources

Ihave no idea what the explanation is.

Which sentence contains the central claim in "compulsory voting: an idea whose time has come" by tor hunter?