1.

1). Only A2). Only B3). Both A and B4). Only C

Answer»

The underlined PART of the sentence is grammatically incorrect because of the preposition 'in’.$

The correct preposition that should be used is 'from’. Also, the word 'characteristics’ is plural and hence should be followed by a plural verb according to the Subject-Verb AGREEMENT RULE. $

'Vary' means differ in SIZE, amount, degree, or nature from something ELSE of the same general class. $

Only choice B is correct.$

Hence the correct answer is option 2. 



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