GMATNinja wrote:
Quote:
A. satellites that is a part of 15 years effort of subjecting the interactions of Earth's atmosphere, oceans, and land surfaces
There are a couple of small problems with (A). First, we have a subject-verb agreement issue at the beginning of the underlined portion, but it’s a little bit tricky: “the AM-1 is one of the many new satellites that is part of 15 years effort…” You could argue that the phrase “that is part” modifies the singular noun“one of the many new satellites”,
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