Across
- 2. A global ecosystem made of living
- 9. hot red and very flammable
- 12. total amount of water on a planet
- 13. A instrument that can tell you the size of something
- 16. when you take one number and add it together a number of times.
- 17. represent the parts of a whole or collection of objects
Down
- 1. able to live on it
- 3. A living thing made up of one or more cells
- 4. A indicated quotient of two mathematical expressions.
- 5. A set of things that work together
- 6. water streams forming together
- 7. harmonious relation of parts to each other or to the whole
- 8. rate: a rate of one of something
- 10. Includes the rocks and minerals on earth
- 11. the color is clear and blue and you can drink it
- 14. an instrument or machine for weighing
- 15. planet: very rockey