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Soil | Waste | Pollution | Matter | Global Warming | Geologic Processes | Evolution | Energy | Deforestation | Atmosphere
g01. What was the
second atmosphere like?
g02. What was the
primitive atmosphere like?
g03. How did the
atmosphere change after the Precambrian?
g04. What causes
climates to change?
g05. How are forests
of geological importance?
g06. What are some of
our energy resources?
g07. How did plate
tectonics affect the diversity of ecosystems?
g08. What are the
spheres that make up the earth?
g09. What is
the interior of the earth like?
g10. What are
earthquakes?
g11. What is
volcanism?
g12. How are
mountain built?
g20. What is the theory of plate tectonics?
g13. What makes
up earth's climate?
g14. How can
global warming affect sea levels?
g15. What are
ozone holes and where are they?
g16. What is matter?
g17. Is some
matter more useful than other matter?
g18. What is
energy?
g19. Where do you find air pollution?
g27. How fast are
supplies of mineral being used up?
g21. Can we mine the
oceans?
g22. What is soil?
g23. What are some
characteristics of soil?
g24. How does soil
move?
g25. What are the
properties of water?
g26. Where is drinkable water found?