Kindly Answer All On steep slopes, rainfall the pore pressure between grains, de

Question

Kindly Answer All

On steep slopes, rainfall the pore pressure between grains, destabilizing earth materials: in an aquifer, excessive groundwater removal the pore pressure between grains and can lead to subsidence What is the key characteristic of an aquitard? Laterally extensive Low permeability All of these things Well sorted High hydraulic conductivity Sinkholes, disappearing streams and caves are common features of karst landscapes, where bedrock is composed of: volcanic ash limestone shale granite

Explanation / Answer

Question 16

Increasing water increases the pore water pressure and decrease in pore water decrease pore water pressure.

Thus,

On steep slope rainfall increase pore water pressure.......excessive groundwater removal decrease pore pressure.....

Question 17

Aquitard restricts tge flow of groundwater between two aquifers.thus it must posses low permeability.

Thus the correct choice is,

low permeability.

Question 18

Karst topography is found to be associated with limestone as it is highly soluble in water.

Thus the correct choice is,

limestone

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