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Across
- 1. The breaking down of rocks by weather, water, and living things
- 6. Any living thing such as a plant or animal
- 8. Two or more substances mixed together but not chemically joined
Down
- 2. A form of energy used to power lights and machines
- 3. The bending of light as it passes from one material to another
- 4. A thread-like structure in cells that carries genetic information
- 5. The path water takes as it moves between Earth and sky
- 7. An object that attracts iron and some other metals