1-Mass wasting is best described as ___________. A- The breakdown of rock withou

Question

1-Mass wasting is best described as ___________.

A- The breakdown of rock without significant movement

B- The downslope movement of sediment gravity

C- Long distance transport of sediment

D- Overall lowering of land surfaces

2- Porosity is _____.

A- The amount of an empty space in a material, as a percentage of the total volume

B- A measurement of the size of pore spaces

C- A measurement of the shape of pore spaces

D- A measurement which describes the ability for water to flow through subsurface material

3- The hydrological cycle is best described as __________.

A- The movement of water from high ground powered by gravity

B- The cycling of water between the surface and substrate

C- Evaporation followed by precipitation

D- The cycling of water between hydrosphere, atmosphere, biosphere, and geosphere

4- Sea level is also referred to as the ______, which limits a stream’s ability to downcut its channel.

A- Ultimate base level

B- Temporary base level

C- Local base level

D- Primary base level

5- What is the difference between a rockslide and solifluction?

A- A rockslide is a slow form of mass wasting and solifluction is a rapid form

B- A rockslide is a fast form of mass wasting and solifluction is a rapid form

C- No difference, both are slow forms of mass wasting

D- No difference, both fast slow forms of mass wasting

6- Mass wasting processes can cause natural disasters

A- True

B- False

7- After ice sheets and glaciers, ________ contain the next highest percentage of Earth’s freshwater.

A- The atmosphere

B- Lakes and rivers

C- Groundwater

D- Rocks and minerals

8- Based on the dominant processes operating within them, the river systems is divided into three zones, as follows, 1._________, 2._________,3.___________.

A- Evaporation, precipitation, runoff

B- Sediment production, sediment transport, sediment deposition

C- Straight, braided, meandering

D- Land. Water, sea

9- The maximum load of solid particles (i.e., the quantity) a trim can transport per unit time is called _____________.

A- Setting velocity

B- Competence

C- Capacity

D- Base level

10- The term ________ applies to any situation in which groundwater under pressure rises above the level of aquifer

A- Well

B- Artesian

C- Hydraulic gradient

D- Aquitard

11- Mass wasting processes are classified based on what criteria?

A- Type of material

B- Type of motion

C- Rate of movement

D- All of the above

Explanation / Answer

1) answer : b

Mass wasting is the process of downslope movement of sediments or rock particles under the action of gravity. Mass wasting processes include slumps, slides and rockfalls , mudflows etc

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