crossword 1.0 / 5 based on 1 rating ? BiologyHuman impact on the environmentGCSEAQA Created by: 11amabbottCreated on: 05-08-15 09:44 456231 Across 1. Something that cannot be replaced when used up (3, 9) 5. A combination of bodily waste, waste water and rain water (6) Down 2. Rainfall that is acidic due to the dissolved gases, such as sulphur dioxide, produce by burning fossil fuels (4, 4) 3. Warming of the earth due to greenhouse gases in the atmosphere trapping infrared radiation from the surface (6, 7) 4. The trapping of infrared radiation from the sun as a result of greenhouse gases, such as carbon dioxide and methane, in the earths atmosphere (10, 6) 6. The process by which excessive nutrients in water lead to very fast plant growth. When the plants die they are decomposed and this uses up a lot of oxygen so the water can no longer sustain animal life. (14)
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