Hi all
Had a question:
" The concentration of A and B is/are measured in terms of ........" : which of "is" or "are" is correct?
Is it like "the concentration of A and concentration of B" (two things, plural) or "concentration" itself (single word)?
Thanks
subject/verb agreement: use of "and"
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- alimah
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Re: subject/verb agreement: use of "and"
Singular: is!