Read the sentence to find out whether there is any grammatical or idiomatic error in it. The error, if any, will be in one part of the sentence. The letter of that part is the answer. If there is ‘No error’, the answer is (5). (Ignore errors of punctuation, if any). A climate finance adviser from (1)/ the Solomon Islands, expressed (2)/ concerns over saltwater intrusion (3)/ and the loss of coastal environments.(4) no error (5)