1.

1). Catch2). Delay3). Fracture4). Foresee

Answer»

The sentence talks about the effects of global warming and saving the earth which we can't ‘hold off’ which means to deliberately DELAY doing something. Hence it can be replaced by ‘delay’ which means ‘MAKE someone or something late or slow’.

The meanings of the other words are:

CATCH=> hold something which has been thrown, propelled, or dropped

Fracture=> the cracking or BREAKING of a hard object or material

Foresee=> be aware of beforehand; predict

Fathom=> understand a difficult problem after much thought

Hence the correct answer is option 2.



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