Across
- 3. - Preserved remains or traces of ancient living organisms
- 6. - Arrangement allowing a customer to obtain goods before payment
- 8. - Variety of plant and animal life coexisting in an ecosystem
- 9. - Mathematical statement proving two expressions are equal
- 10. - Money borrowed that must be repaid over time with interest
Down
- 1. - Mountain opening that erupts hot lava, ash, and gases
- 2. - Vast systems comprising billions of stars, dust, and dark matter
- 4. - Slice of a circle bounded by two radii and an arc
- 5. - Straight line from the center of a circle to its outer edge
- 7. - Distribution of a portion of a company's earnings to shareholders