Why would a decline in atmospheric pressure produce

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Assignment:

1. Given that you are neither falling into the earth or being flung out into the sky, at any depth below you there must be equal and opposite vertical forces acting in the earth beneath your feet or beneath the building you are in. At a given depth, the force down is produced by gravity and equals the weight of all that is above the depth at that location. The counteracting force up is exerted by which of the following?

a. Fluid pressure

b. Upward moving magma

c. Fluid pressure and the structure of grains and rocks

d. None of the above

2. Why would a decline in atmospheric pressure produce an increase in the hydraulic head in a well?

a. The rain associated with low pressure storms increase the water level in the well

b. Pressure on the water surface in the well declines immediately, while the impact elsewhere in the aquifer is slower

c. Actually, a decline in atmospheric pressure causes a coordinated decline in the water level in a well

d. None of the above.

Please explain shortly reasons for correct options.

Reference no: EM133269505

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