Across
- 2. Something that is very large in number or amount.
- 5. A body of water or air that moves or flows in one direction.
- 7. To have severe difficulty in breathing due to a blocked throat.
- 8. A mess of waste materials thrown onto the ground.
- 12. Water turning rapidly around a centre and pulling downward.
Down
- 1. To move from place to place freely or without a plan.
- 3. The introduction of harmful materials into the environment.
- 4. To do something with difficulty or with great effort.
- 6. A large system of rotating ocean currents.
- 9. When something is very harmful or poisonous.
- 10. The remains of something broken down or destroyed.
- 11. To take a large mouthful or swallow.