Many illnesses in refugee camps are the result of inadequate sanitation. A. cleanliness B. dirtiness9/15Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions Many illnesses in refugee camps are the result of inadequate sanitation.cleanlinessdirtinesspollution uncleanlinessGiải thíchĐáp án: A Từ mới: Sanitation = cleanliness (sự sạch sẽ)