This hazard is caused by the chemical dissolution process in sandstone or chemical dissolution of carbonate rocks that causes erosion of the soil beneath the ground.

PHYSICAL GEOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	sinkhole
B	liquefaction
C	land subsidence
D	ground rupture

Explanation:

Detailed explanation-1: -Most sinkholes are caused by karst processes – the chemical dissolution of carbonate rocks, collapse or suffosion processes.

Detailed explanation-2: -SINKHOLE. A sinkhole is also known as a “wallet snake hole” and is a natural hole on the Earth’s surface. This hazard is caused by the chemical dissolution process in sandstone or the chemical dissolution of carbonate rocks that causes erosion of the soil beneath the ground.

Detailed explanation-3: -Examples include swelling soils and rocks, toxic minerals (asbestos, acid drainage) and toxic gases (radon gas). Hazards associated with earth processes (earthquakes, volcanoes, landslides, avalanches, rock slides and rock falls, soil creep, subsidence, floods, frost heave, coastal hazards).

Detailed explanation-4: -Hazards noted include earthquakes, tsunamis, landslides, rockfalls, avalanches and flooding.

Detailed explanation-5: -Seismic hazards related to earthquakes, including ground rupture/faulting, liquefaction, strong motion, and tsunami. Landslides of all kinds, including seismically-triggered landslides, debris flows, mud flows, and rock falls. Mineral hazards such as asbestos, radon, and mercury. More items

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