Local lowering of the water table, called ________, tends to change the direction of groundwater flow by changing the slope of the water table.

A. depressing
B. drawdown
C. porosity
D. invasion
E. artesian


Answer: B

Environmental & Atmospheric Sciences

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The ____________ currents flow east to west and west to east, linking the eastern and western boundary currents. Fill in the blank(s) with the appropriate word(s)

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Why are fisheries heavily impacted by ENSO events?

A) Upwelling ceases B) Nutrient-rich currents are interrupted when the trade winds shift C) Low pressure systems create downwelling events rather than the normal upwelling D) Rise in sea level effects migration patterns

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Most of the 40 deadliest disasters between 1970 and 2013 occurred in a belt running from China and Bangladesh through India and Iran to Turkey. This area was particularly vulnerable because ________.

A. lightning producing thunderstorms are more common in these regions B. fires are more common in these regions C. it has a high population density D. precipitation rates are very high in this region, producing frequent, large, and sudden floods E. most of the world's earthquakes and volcanic eruptions occur here

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the solar energy reaching earth travels a distance of ________ million kilometers.

a - 1 b - 150 c - 8 d - 30 e - 567

Environmental & Atmospheric Sciences