8. Heating of the stratosphere is due to a. Heat released from the monsoons b. H

Question

8. Heating of the stratosphere is due to a. Heat released from the monsoons b. Heating caused by the greenhouse gas argon c. The closeness of the stratosphere to the sun d. Solar ultraviolet radiation interaction with ozone 9. The most abundant element in the atmosphere is 10. An eskar is composed of? a. Sand and gravel b. Glacial till c. Talus d. Rakse material 11. The scoop-shaped area where an alpine glacier originates is called a 12. Black-body radiation is a. Gamma ray radiation given off by radioactive isotopes. b. Short wave radiation given off by material that has been heated. c. Long wave radiation given off by material that has been heated d. Ultraviolet radiation given off by material that has been heated 13. The temperature below which an iron bearing magma acquires the orientation of the Earth's magnetic field is called the? a. The Curie point b. The MDR or Magnetic Direction Recorder c. The Magnetization Temperature d. The TMT or Tesla Magnetization Temperature 14. What radioactive isotope found to be in low concentrations in the atmosphere before 1950 tells us recent increases in atmospheric CO2 is the result of the burning of coal and oil. 15. Which of the follow did Wegner NOT use in his book on continental drit? a Post-glacial rebound suggests the mantle flows b. Presence of Mid-Atlantic ridges c. Mesozoic climate distribution is out of alignment d. Mountain ranges at the leading edges of continents

Explanation / Answer

8 .d. Sun ultraviolet radiation interaction with ozone layer. The ozone molecules in the stratosphere absorb energy from ultraviolet light coming from the Sun. They turn that energy into heat which ultimately heats the stratosphere.

9.Nitrogen. In the atmosphere there is 78% nitrogen and 21% oxygen, with small amounts of other gases.

10 .a. Sand and gravel. Esker composed of stratified sand and gravel deposited by a subglacial or englacial meltwater stream.

11. the scoop-shaped area where an alpine glacier originate is called cirques. These are carved by glaciers sitting on a relatively protected slope where snow and ice can pile up and carve out a deep bowl.

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