.16.. What are essential to our health and well-being? A air we breathe C. clean surroundings B. water we drink D. All of the above.
17. What should be done with items that cannot be recycled? A. Throw them to the rivers and seas. B. Keep them inside the house. C. Dispose them properly. D. Burn them
18. What is the effect of throwing chemical waste into the river? A. The river becomes clean and fresh. C. Its aquatic creatures are healthy. B. It gives enough source of water. D. It becomes polluted,
19. What can be done with water that is used in washing the dishes? A. for bathing C. for drinking B. for cleaning backyards D. for cooking
20. Which of the following is a way in keeping the water clean? A. Minimize chemical use. C. Reduce water use. B. Reuse water. D. All of the above,
21. Which is a good practice to keep the air clean? A. Ride a bike in going to work or school. B. Plant something C. Bum the garbage D. Both A and
22. Which of the following situations show proper care of the water and air? ? A. Rina takes part in local clean-up drives, B. John unplug all electric appliances when not in use. C. Ben use energy saving appliances to keep the air clean
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Answer:
16. D
17. C
18. D.
19 B.
20. D
21. D
22. A