Help me plz with this 3 question if you answer one it’s okay. thanks

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

The verb in the sentence is in what voice

Which sentence is an example of objective third person writing that could be found in a scientific essay