For a surface low-pressure center to exist for an extended period, what condition must exist aloft?
What will be an ideal response?
In order for a surface low-pressure center to exist for an extended period, divergence (spreading out) aloft must be occurring at a rate equal to the inflow below.
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At the periphery of a hurricane the air is __________, and several kilometers above the surface,
in the eye, the air is __________. a. sinking, sinking b. sinking, rising c. rising, sinking d. rising, rising
The steep downwind face of a sand dune is called the ________.
A. longest dimension B. upwind surface C. slip face D. gentle slope E. coarsest grains
Reductions in death rates in recent centuries are due more to better food and sanitation than modern medicine.
Answer the following statement true (T) or false (F)
What is the main impediment to widespread use of geothermal energy to heat and cool buildings?
A. high cost B. limited geographic availability C. lack of technological understanding D. high environmental impact