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6. What is characteristic of; well sorted, from valley sides, No striations, crescentic gouges, facets etc.

  • Passively transported debris
  • Actively transported debris

7. What is the density of FIRN

  • 917 kg m-3
  • 50-200 kg m-3
  • 400 - 830 kg m-3
  • 830 - 910 kg m-3

8. what is the most effective m for basal sliding

  • 1m
  • 0.5 to 1m

9. A rock falling on the glacier surface in the middle accumulation area is most likely to follow a..

  • englacial pathway ABOVE THE TRANSPORT ZONE to the glacier margin.
  • supraglacial pathway to the glacier margin

10. A rock falling on the glacier surface in the upper accumulation area is most likely to follow a..

  • englacial and then subglacial pathway to the glacier margin.
  • joey essex
  • subglacial pathway to the glacier margin.
  • supraglacial pathway to the glacier margin

11. What is the average denudation rate across the earth?

  • 100 to 5000 mm ka-1
  • 43 mm ka-1
  • 43,000 mm ka-1

12. What is the average valley glacier denudation rate

  • 100 to 500 mm ka-1
  • 43 mm ka-1
  • 1000 mm ka-1

13. A rock falling on the glacier surface in the lower ablation area is most likely to follow a..

  • supraglacial pathway to the glacier margin
  • Joey essex

14. What is the density of GLACIER ICE

  • 830 - 910 kg m-3
  • 917 kg m-3
  • 1000 kg m-3
  • 50-200 kg m-3

15. A change of state from water to ice

  • absorbs 334 j g-1
  • releases 334 j g-1
  • absorbs 2834 j g-1

16. The temperature in a glacier composed of warm ice will increase with depth BECAUSE geothermal heat will warm the base of the glacier.

  • Both the assertion and the reason are incorrect.
  • The assertion is incorrect but the reason is correct.
  • Joey Essex
  • The assertion is correct but the reason is incorrect.

17. What is the density of freshly fallen snow?

  • 917 kg m-3
  • 50-200 kg m-3
  • 830 - 910 kg m-3
  • 400 - 830 kg m-3

18. What type of climate has a low mass balance gradient?

  • Joey Essex
  • Continental
  • Polar
  • Maritime

19. What process brings supraglacial material to the bed?

  • Contact pressure between the grains and bed
  • Basal melting
  • Internal deformation
  • Joey essex

20. What type of ice is at the pressure melting point?

  • Warm ice
  • Cold ice
  • Joey Essex
  • Emily Statham