Across
- 5. organised preparation for future actions or events
- 7. the usage of a material is known as
Down
- 1. also known as precipitation
- 2. the usage of materials while saving enough for the next generation
- 3. the process of giving plants water in farms and such
- 4. _______decay
- 6. a liquid made up of hydrogen and oxygen
- 7. : "The natural world and its surroundings, influencing life and development."