Lina planted a small tree in the park. What is the impact of Lina’s action on the environment?, It harms the environment, It helps the environment, It makes smoke, It destroys plants, A person throws plastic bottles into a river. What is the effect of this action?, It keeps the river clean, It helps fish grow, It pollutes the water, It gives food to fish, Which of the following is a source of light?, The Moon, The Sun, A mirror, A book, Which object does NOT give its own light?, Candle, Lamp, Torch, Window, At night, Ana turns on a torch. Why does she use the torch?, To make sound, To see in the dark, To make wind, To make water, Which of the following is a source of heat?, Ice cube, Sun, Pillow, Fan, Tom sits near a fire to feel warm. What is the source of heat?, The chair, The ground, The fire, The air, Which activity helps protect the environment?, Burning trash, Throwing garbage anywhere, Planting trees, Cutting many trees, Sara dried her clothes outside during the day., The Moon, The Sun, The stars, The fan, Which of the following gives both light and heat?, Candle, Book, Table, Bag

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