Across
- 5. materials are won away and transported by natural forces
- 6. change the burning of fossil fuels to generate energy is the primary reason for
- 7. is a method of relative dating In which Scientific study the layer of rock
Down
- 1. dioxide This is a greenhouse gas released when we burned fossil fuels
- 2. gas Carbon dioxide so now example of Greenhouse gas
- 3. this element makes up to 78 % of The Earth's Atmosphere
- 4. The first jellyfish came out in the Paleozoic Eic
- 8. Is a method in which scientists can date layers of rock by relating them to other rocks