Is joy a concrete or abstract noun technically it is both but you would put abstract but joy is a name so joy could be a person so is it abstract or concrete

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

Okay can someone tell me the answer to this problem bc i have to buy it now and i don’t wanna do that

Mr and mrs van daan murmur their welcome what are the playwrights indicating by using the word murmur?