Describe the factors that would lead a geologist to conclude that a major earthquake is likely in a certain part of a fault
What will be an ideal response?
ANSWER: A major earthquake is likely if a segment of the fault has stored more energy through slippage than it has released in earthquakes.
A “seismic gap,” an area of the fault that has not experienced earthquakes in a long time, is one indication that an area is at risk.
If the fault is known to be slipping, the amount of energy stored in the fault can be compared with the number of recent earthquakes. If more energy has been stored than released, the area is at risk of strong earthquakes.
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What will be an ideal response?
What is permeability?
A) Volume of pore space in a material B) Ability to transmit water C) When ice crystals deform and slide past each other D) Dissolution of carbonate rock due to acid
Which one of the following statements is true regarding the Earth's supply of freshwater?
A. The largest volume exists in lakes and reservoirs. B. There is more water in rivers than exists as soil moisture and groundwater. C. There is more in the form of water vapor in the atmosphere than there is as liquid groundwater. D. There is more freshwater in glaciers and ice sheets than exists as groundwater.
Fog can form through each of the following ways EXCEPT
A. increasing the moisture content until vapor pressure reaches the water-vapor capacity. B. by cooling the air until it reaches the dew-point (or frost-point) temperature. C. decreasing the moisture content of the air and increasing temperature. D. A combination of cooling and increasing humidity.