Question

differentiate between weathering and mass wasting​

Answer 1

Explanation:

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Answer 2

Answer:

Weathering

• Two types of weathering

• Mechanical weathering – breaking of rocks

into smaller pieces

• Four types of mechanical weathering

– Frost wedging – alternate freezing and thawing

of water in fractures and cracks promotes the

disintegration of rocks

Weathering

• Mechanical Weathering continued

– Unloading – exfoliation of igneous and

metamorphic rocks at the Earth’s surface due to

a reduction in confining pressure

– Thermal expansion – alternate expansion and

contraction due to heating and cooling

– Biological activity – disintegration resulting from

plants and animals

Mass Wasting and

landform development

• Mass wasting refers to the downslope

movement of rock, regolith, and soil

under the direct influence of gravity

• Role of mass wasting

• Geologic process that often follows

weathering

• Combined effects of mass wasting and

running water produce stream valleys

Mass Wasting and

landform development

• For mass wasting to occur, there must be

a slope angle

• Most rapid events occur in areas of

rugged, geologically young mountains

• As a landscape ages, less dramatic

downslope movements occur

Explanation: