Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following sentences.Đoạn văn37/40Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following sentences. Toxic chemicals in the air and land, contaminated water and increased water temperatures have also made a lot of animals become extinct.polluted salt purified dirtyGiải thíchC