How might building a dam on a river that flows to the sea affect a coastal beach?
What will be an ideal response?
Dams trap the sand that normally gets carried to the ocean by the river and normally nourishes the beach. Thus, a dam might cause the beach to narrow, starved of sediment.
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In which direction is the Souris River flowing? How can you tell?
The following questions are based on Map T-4, a portion of the “Voltaire, North Dakota” quadrangle (scale 1:24,000; contour interval 5 feet) and Figure 40-4, a stereogram of the same region showing the Souris River (48°06'23"N, 100°48'05"W). What will be an ideal response?
Anticyclonic flow is:
A) associated with low pressure. B) in the opposite direction of Earth's rotation. C) associated with air converging at the surface. D) associated with storms and rainy conditions.
Joel Garreau, in his book Nine Nations of North America divided the continent based on what characteristic?
A) Landforms B) Political divisions C) Cultural characteristics D) All of the above
The tsetse fly, which carries both sleeping sickness (humans) and nagana (cattle), two deadly diseases, is also referred to as Africa's greatest conservationist
Indicate whether the statement is true or false