Please answer all parts with brief explanations A) What are the three types of d

Question

Please answer all parts with brief explanations

A) What are the three types of differential stress in the Earth's lithosphere?
a) confined, unconfined, and directed
b) hydrostatic, lithostatic, and vibratory
c) compression, shear, and tension
d) upwards, downwards, and sideways

B) During mountain building episodes, originally flat lying sedimentary and volcanic rocks are often bent into a series of______
a) folded anticlines and synclines
b) box pleats
c] horsts and grabens
d) heaves and sags

C) The physical removal of dissolved or disaggregated rock from the site of weathering by wind, water, or ice is termed_____
a) ablation
b) recidivism
c) solifluction
cl) erosion

D) is one of the three ways a glacier can move over its bed.
a) Frost heaving
b) Basal slip
c) Morainal sliding
d) Crevassal slip

E) A(n)____________ is a depositional feature composed primarily of till and usually associated with continental glaciation, not with alpine glaciers.
a) moraine
b) drumlin
c) cirque
d) outwash deposit

F) A syncline is______
a) a fold with only one limb
b) a fold in which older flanking strata dip toward the axis
c) a paralytic drunken fold characterized by recumbent limbs
d) a fold in which the older central strata dip away from the axis


G) Which one of the following statements concerning glacial deposits is false?
a) Till is deposited directly from the ice; outwash is deposited by meltwater streams.
b) Outwash is mainly stratified sand and gravel.
c) Tills are poorly sorted and their fragments are mostly angular.
d) Glacial erratics are blocks of rock that are too large for the glacier to move.

H) Drumlin fields contain_______
a) mounds of outwash deposited by melt-water streams at the snout of a glacier
b) smooth, striated, bedrock ridges shaped and polished by a glacier's erosive action
c) bowl-shaped depressions eroded largely by frost action and glacial plucking
d) smooth, tapering, asymmetric ridges of till usually formed and shaped beneath a continental ice sheet

I) _______is the dissolution or decomposition of minerals and rocks.
a) Mechanical weathering
b) Chemical weathering
c) Hydrolysis
d) Rendering

Explanation / Answer

1.Three kinds of differential stress occur.

2 ans. folded anticlines and synclines.

3.ans.cl) erosion

4.ans.b) Basal slip.

5.ans.b) drumlin.

6.ans.d) a fold in which the older central strata dip away from the axis.

7.ans.d) Glacial erratics are blocks of rock that are too large for the glacier to move.

8.ans.d) smooth, tapering, asymmetric ridges of till usually formed and shaped beneath a continental .

9.ans.b) Chemical weathering

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