Across
- 1. Low-lying and surrounded by water.
- 5. The natural world.
- 6. An underwater ecosystem with warm tropical water.
- 7. Explains a phenomenon.
- 10. Dominant vegetation is grass.
Down
- 2. A measure of global nautral resources.
- 3. Focus on punishment if not followed.
- 4. Arid region with low precipitation.
- 8. Encouragement through subsidies or tax breaks.
- 9. A vastly cold ecosystem.