sample exam questions Flashcards

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1
Q

Bent tree trunks on a slope are indicative of

A

creep

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2
Q

How do glaciers move?

A

faster in the middle and slower at the edges

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3
Q

Sediment deposits that form when stream flow abruptly changes
from a confined channel to being unconfined are called

A

alluvial fans

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4
Q

The colour of a soil indicates :

A

composition and chemistry of soil

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5
Q

The resources plants need to photosynthesize include:

A

CO2, H2O, nutrients, and sunlight

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6
Q

Soil parent material…

A

includes weathered bedrock

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7
Q

Soil parent material…

A

includes weathered bedrock

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8
Q

list a driving force and a resisting force that
affect slope stability, then discuss the role of slope angle on these forces and mass movement.

A

Driving force: gravity

Resisting force: friction or cohesion

As slope angle goes ^, gravity force ^ , and resisting force V

When driving force > resisting force then mass movement will occur

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9
Q

List three differences between meandering and braided streams.

A

Meandering has lower slope, more suspended load and finer size
particles.

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10
Q

Describe two landforms associated with valley glaciers.

A

Any two of the following with their proper description

Horn: Ridges between glacial valleys become narrow forming knife-like features (aretes) when several meet to form at point it is called a horn

Moraine: material left behind by a moving glacier. This material is usually soil and rock.

Cirque: A scooped out landform near the head of the glacier where erosion is highest

Tarn: are lakes that form in glacially-carved cirques. They are often dammed by moraines.

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11
Q

Rank these particles from smallest (1) to largest (4)

A
  1. Colloid
  2. silt
  3. sand
  4. gravel
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