Practice Midterm Key

Practice Midterm Key - 42. It is nonrenewable because it...

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Practice Midterm Key 1. D 2. B 3. D 4. C 5. E 6. A 7. B 8. C 9. B 10. C 11. A 12. A 13. B 14. B 15. B 16. A 17. D 18. D 19. E 20. B 21. E 22. A 23. D 24. E 25. A 26. C 27. D 28. E 29. E 30. C 31. F 32. T 33. F 34. F 35. T 36. F 37. F 38. F 39. B, B, A, B, C, B 40. The Earth is tilted towards the sun at this time of year, so while the Earth rotates around its axis, the surface above 66.5 degrees N is constantly bathed in sunlight.
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41. a. albedo – reflectivity of the planetary surface b. electromagnetic spectrum – the full range of wavelengths of the electromagnetic spectrum c. earthshine – heat energy radiated from the Earth to space d. negative feedback – a mechanism by which an initial stimulus tends to damp itself out – a mechanism that tends to stabilize a system
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Unformatted text preview: 42. It is nonrenewable because it requires uranium as a fuel. It is a geologic resource that took millions of years to form deposits of sufficient concentration. However, it is an alternative to fossil fuels. 43. energy source hard path example soft path example water power large dam like Hoover dam micro-hydro power stations solar power power tower rooftop hot water systems 44. yes All the energy in fossil fuels is originally derived from the sun. 45. The Earths surface radiates longwave radiation outward throughout the night, causing a deficit of net radiation and a cooling of surface, reaching coldest temperature just before the sun rises, when a positive net energy quickly raises temperature....
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This note was uploaded on 12/14/2009 for the course CHEM CHEM 140B taught by Professor Burkhart during the Spring '08 term at UCSD.

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Practice Midterm Key - 42. It is nonrenewable because it...

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