Define "perched ground water."

What will be an ideal response?


Perched ground water occurs when low permeability in specific spots creates a shallow saturated horizon perched above the water table.

Environmental & Atmospheric Sciences

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Downwellings occur at surface convergences.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

A mid-latitude cyclone reaches its most intense stage when

A) the storm moves over water. B) the storm moves over cold air. C) the storm system undergoes occlusion. D) the warm sector reaches its maximum strength.

Environmental & Atmospheric Sciences

What is the starting time for the Universe expansion?

a. 20.1 billion years ago b. 15.2 billion years ago c. 13.8 billion years ago d. 5.60 billion years ago

Environmental & Atmospheric Sciences

If the physiological density is much larger than the arithmetic density, then a country has

A) inefficient farmers. B) a large number of farmers. C) a small percentage of land suitable for agriculture. D) too many people for the available resources. E) too few farmers for the large area of land suitable for agriculture.

Environmental & Atmospheric Sciences