Across
- 4. This African country has huge oil deposits but is still in poverty
- 5. This is another word for crude oil
- 6. This is an example of a mineral
- 8. This resource is formed from the remains of ancient plants and animals
- 9. When trees are cleared faster than they can grow
- 10. A type of material that needs to be converted into products
Down
- 1. This is a resource that can be used up, and once it is gone, there is no way to replace it
- 2. When trees are planted to replace the ones that have been taken down
- 3. This is a resource that cannot be used up and is replaceable
- 7. A material in nature that people use and value
- 8. This process gives up natural gas