Vocab
Across
- 3. The sum of all living matter on Earth
- 4. Water that collects in cracks and pores in underground soil and rock layers
- 8. Resource A resource that is running out with not much supply
- 9. Process Any natural process that happens to Earth’s surface, such as weathering, erosion, or plate tectonics
Down
- 1. The layer of gas surrounding a planet that is held in place by gravity
- 2. Unable to renew
- 5. Able to renew
- 6. Recourse A Recourse that is not man made but natural
- 7. Resource A source or supply of energy that can be used to generate electric power to meet people’s needs