----- Nội dung dịch tự động từ ảnh ----- Ex 4. Underline the correct preposition in each of the following sentences. 1. Water pollution can be harmful at / to fish and animals that live along the river. 2. Using drinking water to water the garden is a waste from / of natural resources. 3. Ways must be found to prevent the poisonous gases on / from polluting the air. 4. Textile factories dump tonnes of toxic waste into / at the Citarum River. 5. She's come up to / with amazing new ideas to help protect the environment. 6. Noise pollution can have harmful effects on / in human health. 7. The overuse of pesticides causes damage in / to the environment. 8. Too much of light pollution results in / of increase in the energy consumption. 9. The river has been polluted with / from toxic waste from local factories. 10. Children should be aware at / of the environmental issues we're facing.