4th Class
Science
Weather, Air and Water
Question Bank
Water
question_answer
Directions: Fill in the blanks Water pollution is the ___(37)___ of water bodies. It occurs when ___(38)___ are discharged directly or indirectly into water bodies. It leads to ___(39)___of ecosystem and death of __(40)___ animals. Swimming in unclean water can cause __(41)___.