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Ground sinking and sagging can be caused by various factors such as underground mining, natural processes like erosion and weathering, extraction of groundwater, and human activities like construction and drainage systems. These processes can weaken the soil and rock beneath the surface, leading to subsidence and land deformation.
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What is oxygen sag?
Oxygen sag is the decrease in dissolved oxygen levels downstream from a pollution source in a water body. It occurs when organic matter from the pollution is decomposed by bacteria, which consumes oxygen in the process, leading to a decline in oxygen levels that can harm aquatic life.
If additional weight is added to a piece of crust how will the crust respond?
The crust will respond by adjusting its position to accommodate the additional weight. This may cause the crust to sag or deform if the weight is significant. Over time, the crust may undergo internal deformation processes to regain equilibrium.
Why do the kayapo tribe have lip plates?
The Kayapo tribe wears lip plates as a cultural tradition and symbol of beauty. It is believed to enhance a person's attractiveness and demonstrate their cultural identity. Additionally, the size of the lip plate can also signify status within the tribe.
Why should you stay away from a gym during a tornado?
You should stay away from a gym during a tornado because they typically have large windows and open spaces, which can be dangerous during strong winds and flying debris. Gyms may not provide sufficient protection from tornadoes due to their structure, increasing the risk of injury. It is safer to seek shelter in a sturdy, enclosed building or a designated storm shelter instead.
Why is California's San Andreas Fault a strike-slip fault?
The San Andreas Fault is a strike-slip fault because the motion along the fault is primarily horizontal, where the two blocks of rock move past each other parallel to the fault line without much vertical movement. This type of fault results from the shear stress caused by the movement of the Pacific Plate and the North American Plate along the fault line.
