Across
- 5. 2 or More Substances combined to make 1
- 6. Non-renewable resources like coal, oil, and Natural Gas
- 7. Massive irregularly shaped pieces of rock
Down
- 1. Natural dynamic mechanisms that forms or changes the earth
- 2. The variety of life in the world or a particular ecosystem
- 3. A heavy metal that's used as fuel
- 4. General weather (conditions) of one area for a long time