UNIT 9
Exercise 1: Choose the letter A, B, C or D the word that has the underlined part different from others.
Question 1: A. De plete B. e ditor C. Effe ct D. Pe sticide
Question 2: A. Aqua tic B. Chemica l C. Da mage D. Ma ss
Question 3: A. Po lar B. Glo bal C. Eco system D. Po llute...