The word “contamination” in paragraph 2 is CLOSEST in meaning to ______.Đoạn văn11/40The word “contamination” in paragraph 2 is CLOSEST in meaning to ______.protection pollution freshness developmentGiải thíchĐáp án đúng: B"contamination" = sự ô nhiễm, sự nhiễm bẩn = "pollution" (ô nhiễm).