The hydrosphere 2.0 / 5 based on 1 rating ? Environmental Science/StudiesASAQA Created by: SadieCreated on: 14-01-13 17:36 62754318 Across 1. Rock needs to be this in a reserviour (11) 6. A way of treating salt water (11) 7. Adding ozone, UV or chlorine to water to remove pathogens (13) Down 2. They use it to remove pesticides in water treatment (6, 6) 3. The removal of water from its store (11) 4. Can fall in the form of rain,snow, sleet or hail (13) 5. An underground rock structure with stores water (7) 8. The percentage of rock that is space (8)
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