A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the meaning of the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the option corresponding to 'No improvement'. If manmade carbon emissions continue unabated, some regions in northeast India could literally become unlivable by the end of the century.

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the meaning of the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the option corresponding to 'No improvement'. If manmade carbon emissions continue unabated, some regions in northeast India could literally become unlivable by the end of the century. Correct Answer No improvement

The carbon emissions is a plural subject, So, the verb followed should also be in plural form – continues (the –s form of the verb) will be used for a singular subject (not plural). Therefore, we can eliminate option 1 and 2.

Option 3 can be eliminated as well as it does not fit into the pattern of the sentence.

The sentence is grammatically correct making option 4 the correct answer.

Note: Unabated means without any reduction in intensity or strength.

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