Scientists has discovered that environmental (A) / factors play a greater role / than genetic variants in determining (B) / the height of children (C) / in low- and middle-income countries (LMICs). (D)

Identify the part which contains the grammatical error. If there is no error, choose (e) No error.

Question

Scientists has discovered that environmental (A) / factors play a greater role / than genetic variants in determining (B) / the height of children (C) / in low- and middle-income countries (LMICs). (D)

Identify the part which contains the grammatical error. If there is no error, choose (e) No error.

Accepted Answer

**Solution:**

1. The subject of the sentence is "Scientists," which is a plural noun.
2. The verb used in part (A) is "has," which is singular and does not agree with the plural subject.
3. For correct subject-verb agreement, the verb should be plural to match the plural subject.
4. Therefore, "has" should be replaced with "have" to make the sentence grammatically correct.

**Answer:** (a) A

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