Across
- 3. is now much "basic" or acid is in something
- 5. is a small gland at the base of the neck
- 9. countries that are under development and/or poor
- 10. to travel, involve traveling, or transporting something over water
- 12. is used in foods like salt not bad by the human body
Down
- 1. is the way to see how clear water is
- 2. contains chlorine and ammonia
- 4. a tool to remove unwanted items from a solid or liquid
- 6. is a mix of hydrogen and carbon
- 7. is removing or extracting something
- 8. used to see how much water is in soil
- 11. is the increase or decrease of electrons