Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) For environmental safety, we need to find ways to reduce emission of fumes and smoke of fact
Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s)
For environmental safety, we need to find ways to reduce emission of fumes and smoke of factories.
A. leak
B. release
C. poison
D. pollutant