Question

In recent news about the environment,(A)/ climatologists warn of a series of 'tipping points' (B) / like melting of polar ice caps (C) / that had accelerated climate change (D) / which can have drastic effects for the future (E).

1. BCDE
2.ABCD
3.ABCE
4.None of the above
5.No error​

Answer 1

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