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Question 1 of 7
1. Question
Peat is an organic soil formed of decomposing and decaying plant fragments.Correct
Incorrect
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Question 2 of 7
2. Question
Peat was deposited by glaciers.Correct
Peat is a sedentary material that is formed in waterlogged places by living plants growing and dying and building up a thick layer of decomposing humus.
Incorrect
Peat is a sedentary material that is formed in waterlogged places by living plants growing and dying and building up a thick layer of decomposing humus.
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Question 3 of 7
3. Question
A raised bog grows up and out of standing water but has long roots that reach down into the standing water and keep it fed.Correct
A raised bog creates its own raised water table within its mass and survives on this contained water and rainwater.
Incorrect
A raised bog creates its own raised water table within its mass and survives on this contained water and rainwater.
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Question 4 of 7
4. Question
There are 17 types of peat, each unique to a geographic area in the Northern Periphery.Correct
Peat is a highly variable material across the Northern Periphery and the type of peat at any location, horizontally and vertically, will be the result of how the peat grew and how decomposed it is.
Incorrect
Peat is a highly variable material across the Northern Periphery and the type of peat at any location, horizontally and vertically, will be the result of how the peat grew and how decomposed it is.
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Question 5 of 7
5. Question
Water content of peat can reach as high as 2,000% (by weight).Correct
Incorrect
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Question 6 of 7
6. Question
The shear strength of peat always increases with depth.Correct
Shear strength in peat is seldom dependent on depth. Frequently a peat bog will show a shear strength decrease with depth due to the changing character of the peat particularly where it becomes less fibrous and more amorphous with depth.
Incorrect
Shear strength in peat is seldom dependent on depth. Frequently a peat bog will show a shear strength decrease with depth due to the changing character of the peat particularly where it becomes less fibrous and more amorphous with depth.
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Question 7 of 7
7. Question
Draining the peat beside an existing road on peat will improve the peat below the road and minimise settlementCorrect
Cutting new drains beside an existing road can trigger new settlement as the weight of the embankment can become effectively heavier due to the reduction in buoyancy.
Incorrect
Cutting new drains beside an existing road can trigger new settlement as the weight of the embankment can become effectively heavier due to the reduction in buoyancy.