Directions: Write the letter of the correct answer on the space provided 1 Some materials, such as plastic and rubber, which are normally useful become harmful when not properly disposed. What will you do to lessen the volume of these materials? A burn them B. pile them up: C. make clothes out of them 2. Materials made of paper are harmless but they become sources of carbon dioxide when burned. How will you dispose your used paper? A just crumple them C. put them in a storage for recycling B. burn them D. throw them in the street 3. You observed left-over and spoiled food in the small eatery of your neighbor 'everyday. How can you help your neighbor dispose the food waste properly? A feed them to stray dogs B. give the food waste to the street children C. throw them in nearby creek D. make them as compost 4. A cookie canister is still useful after serving its purpose. What will you do to it when it is already empty? A. make as storage of small items B. bury it C. throw it 5. You have small clothes which you are no longer using. Are you willing to share them to D. place it inside the cabinet your less fortunate playmate? A. No, these clothes are gift from my parents. B. No, I will burn them rather than share. C. Yes, my parents say so. D. Yes, sharing is caring, I would love to give them rather than storing them. 6. What is the proper disposal for dried leaves and twigs in your garden? A. recycle them C. burn them B. burry them in a compost pit D. Just leave them in the garden 7. This is a type of pollution resulting from smoke released by different vehicles and fumes emitted by power plants and factories. C. noise pollution B. land pollution D. water pollution A. air pollution 8. This is a type of pollution resulting from improper disposal of waste materials containing substances that harm the soil. D. water pollution C. noise pollution B. land pollution A. air pollution 9. This is a type of pollution where water is contaminated of waste products from factories, industries and even people. D. water pollution C. noise pollution B. land pollution A. air pollution 10. Also known as greenhouse effect, this is the increase in the average temperature of Earth's atmosphere which can trigger climate change. D. Pollution C. Acid Rain B. Global warming A. Depletion of the ozone layer ​