Across
- 2. A meteor that survives passage through earths atmosphere
- 5. The sturdy interior of a continent
- 6. Study of earth quakes
- 8. Arrangement of physical features
- 9. Relating to or requiring free oxygen
- 10. Movement caused within a fluid
Down
- 1. The influence of closely associated species
- 3. Each of two or more forms of the same element
- 4. Biological rather than physical
- 7. Physical rather than biological