In the following passages at certain points you are given a choice of three words in brackets, one of which fits the meaning of the passage. Choose the word which best fits the meaning of the passage and mark the corresponding letter viz. (a), (b) or (c) on your Answer Sheet.

Passage-I. The polar ice caps would start melting. If the polar ice caps melted, the ______ level all over the world would rise ______ about 60 meters.