Across
- 3. When something is very harmful or poisonous.
- 4. To do something with difficulty or with great efforts.
- 6. A small portion of food or drink, or a light meal.
- 8. The remains of something broken down or destroyed.
- 9. Several different types of things in a group.
- 10. The introduction of harmful materials into the environment.
Down
- 1. To have severe difficulty in breathing due to a blocked throat.
- 2. A large system of rotating ocean currents.
- 5. A unit of weight equal to one thousand kilograms.
- 7. A body of water or air that moves or flows in one direction.