Which of the following is true of high pressure areas?
A) Air converges and ascends within high pressure systems.
B) Air descends and diverges within high pressure systems.
C) They are characteristic for areas along the equator.
D) They generally involve atmospheric pressures lower than 1000 mb.
E) They are called cyclones.
B
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Describe the general distribution of Christianity and Islam in sub-Saharan Africa.
What will be an ideal response?
Which feature on this diagram is a hanging valley?
A) 1, the circular depression at the head of the valley
B) 2, a lake in the upper valley
C) 3, a steep ridge
D) 4, a valley that is above the level of the main valley
A knowledge of geology is necessary when studying:
a) Natural resources b) Natural Hazards c) The environment d) The oceans e) All of the above answers are correct
The longitudinal profile of a stream:
a. extends across a channel at right angles to the banks. b. extends from source to mouth. c. is used to calculate cross-sectional area. d. is determined from a hydrograph. e. is determined by stream ordering.