1. Why do Sinkholes form? What are the factors (both natural and man-made) that cause the sinkhole?
2. In a landslide-prone area what signs can be used to see any imminent occurrence of a landslide (both natural and man-made).
3. Why is silted ground water considered a sign of sinkhole formation? What causes the ground water to be soiled?
2. In a landslide-prone area what signs can be used to see any imminent occurrence of a landslide (both natural and man-made).
3. Why is silted ground water considered a sign of sinkhole formation? What causes the ground water to be soiled?
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1. Sinkholes form due to natural dissolution of soluble rocks and man-made factors such as groundwater pumping and construction activities.2. Signs of an imminent landslide include cracks or bulges in the ground, leaning trees, changes in water levels, unusual noises, and changes in weather patterns.
3. Silted ground water is a sign of sinkhole formation because it indicates soil erosion caused by factors such as heavy rainfall, flooding, agriculture, and construction activities.
Answer:
1. Sinkholes form through/by erosion in general, it can be caused by droughts or excessive rain.
Water is responsible for 90% of all sinkholes, Manmade sinkholes are created when city development compromises the structural integrity of underlying rock. Roads, buildings, and other types of construction may cause water to collect in certain areas and wash away the supporting rock layer (especially at low sea levels and after a heavy rainfall).
(for natural i think its just the erosion ^^)
2.
NATURAL: Heavy rain, when the soil on the mountain cannot hold the amount of water, it creates a landslide.
Most common sign is the wind, when the wind is too strong it eventually makes rocks on the mountain fall and creates a landslide.
MANMADE: When there is road building, deforestation, mining, overgrazing, it can increase the possibilities of a landslide coming.
3. Silted groundwater can be a sign of sinkhole formation because sinkholes are formed when water dissolves surface rock.
Explanation:
sorry if it is too long, i tried to fit as much information as i could ^^'