Direction: In the question given below, a sentence is given, divided into parts. One of the parts may contain an error. Identify the part that contains the error, and mark it as the answer. Ignore errors of punctuation. In case the sentence is correct as it is, mark option (e), that is, 'No error'. The words in bold are grammatically and contextually correct.

The rise in sea level is already prompting the migration of people from Pacific and Oceania island chains and low-lying coastal areas that flood regular, and areas suffering extreme drought have sent others in search of sustainable farmland.