Select the most appropriate option that can substitute the underlined word in the given sentence. The collection and affection of rainwater is of vital importance.

Explanation

The correct answer is option 2) i.e. 'utilisation . ' Key Points The error lies in Part (affection )of the sentence. Let's look at the meaning of other given options: Word Meaning caution advice or a warning utilization the act of using something in an effective way resolution the act of solving a problem or finding a way to improve a difficult situation construction the work of building or making something The context of the sentence is rainwater collection and using them in an efficient way is very important. So we will replace the 'affection' with ' utilization .' Therefore, the use of 'affection' in the sentence should be replaced with ' utilisation 'to make it meaningfully correct . Therefore, the correct answer is Option 2. Correct sentence:The collection andutilizationof rainwater is of vital importance.