InvaderSonic
New member
can someone tell me if I'm right?
6.
Compared to the time in Earth's history before humans appeared, rates of soil erosion are _____.
* about the same
faster
slower
more unpredictable
7.
The process responsible for moving material downslope under the influence of gravity is called _____.
erosion
weathering
* mass movement
soil formation
8.
Why can the removal of vegetation trigger mass movements?
The soil loses nutrients and begins to crumble.
* The plant roots bind the soil and regolith together.
The shaking triggers mass movements.
The plant roots lubricate the loose sediment.
9.
Which of the following statements best describes a slump?
* slippage of a block of material moving along a curved surface
blocks of rock sliding down a slope
rapid flow of water-saturated debris, most common in mountainous areas
slow downhill movement of soil and regolith
10.
Alternate freezing and thawing often leads to _____.
* creep
slumps
mudflows
earthflows
6.
Compared to the time in Earth's history before humans appeared, rates of soil erosion are _____.
* about the same
faster
slower
more unpredictable
7.
The process responsible for moving material downslope under the influence of gravity is called _____.
erosion
weathering
* mass movement
soil formation
8.
Why can the removal of vegetation trigger mass movements?
The soil loses nutrients and begins to crumble.
* The plant roots bind the soil and regolith together.
The shaking triggers mass movements.
The plant roots lubricate the loose sediment.
9.
Which of the following statements best describes a slump?
* slippage of a block of material moving along a curved surface
blocks of rock sliding down a slope
rapid flow of water-saturated debris, most common in mountainous areas
slow downhill movement of soil and regolith
10.
Alternate freezing and thawing often leads to _____.
* creep
slumps
mudflows
earthflows