What do Darcy's Law and river discharge have in common? How do they differ? What will be an ideal response?
Both have to do with the volume-rate of flow of water. Darcy's Law pertains to groundwater flow.
River discharge, in contrast, is open-channel flow. The fundamental difference in the equations
governing the two is that Darcy's Law considers the effect of the substrate through which the water is
flowing. Considering this difference, it is not surprising that the rates of groundwater flow are
extremely slow compared to river discharge
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Groundwater flow is best described by
A. Ohm's law. B. Darcy's law. C. Archimedes' principle. D. Newton's law.
Resenting discrimination and neglect by the national government, groups in Darfur launched a rebellion in 2003 against the Arab-dominated Khartoum government
Indicate whether the statement is true or false.
____________________ ripple marks form in response to wind or water moving in one direction
Fill in the blank(s) with correct word
Which of the following is not a function that humus and other organic matter serve in making a soil healthy?
A. retaining water B. reducing erosion C. retaining and cycling nutrients D. improving infiltration E. increasing evaporation rates