9. Describe nonrenewable energy and list 3 examples. 10. Identify the type of environment in which coal is most likely to begin formation. Natural gas and oil?
11. Describe necessary oxygen levels in the formation of oil and natural gas.
12. How is carbon dioxide considered a greenhouse gas?
13. Determine possible environmental impacts of using fossil fuels.
14. Contrast ablation and accumulation in a glacier.
15. Explain the effect of global warming on glacial size and how this affects ocean levels.
16. Define basin.
17. What types of events in the rock cycle cause rocks to change physically and/or chemically (list several)
18. In what ways do basins form?
19. List the 3 major types of basins.
20. How are structural basins formed?

since there isn't any suggested answers i will give you the reason and hopefully you can figure it

south africa, or rather all of africa, has not been in the location in which it is nowadays throughout the geological past. after the super-continent pangaea started to break apart, gondwanaland, in which was africa, moved further south, and parts of it came to be very close to the south pole. because the climate in this part of the world is very cold due to the very dispersed sun rays in there, what is now south africa, started to freeze, and the conditions were right for the formation of glaciers. the glaciers existed up until the period when gondwanaland started to break apart and what is now africa started to move towards north, sp it warmed up and the glaciers melted.

answer they showed that organic molecules such as amino acids could be produced from inoragnic molecules;