In each of the questions below, a sentence is given with four words highlighted in bold in the sentence. Among these bold words, one may be wrongly spelt. The option with the correct spelling of that word is the answer. If all four words are correctly spelt, mark 5.
i.e. 'All are correct' as the answer.
Rising global temperatures are exacerbating weather extremes, leading to prolonged droughts and unpredictible rainfall patterns .