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2
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8
Across
- 2. Unit of electrical power
- 3. Water falling from clouds
- 6. Unit of heredity on DNA
- 7. Amount of matter in an object
- 8. Underwater ridge of coral
Down
- 1. Burning ball of gas in space
- 2. A word related to science
- 4. Smallest unit of an element
- 5. A word related to science