What is a point bar?
A. a new, shorter channel across the narrow neck of a meander
B. a crescent-shaped meander cutoff
C. a sandbar deposited along the inside of stream meanders due to lower velocity
D. a flowing network of interconnected rivulets around numerous bars
Answer: C
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What is radiative equilibrium and how is it influenced by greenhouse gases??
What will be the ideal response?
Fossil fuels are considered non-renewable sources of energy because
A) their formation is so slow. B) they release carbon dioxide when they are burned. C) people are cutting down too many forests to allow trees to turn into coal. D) carbon dioxide levels in the atmosphere are too low to allow fossil fuels to form.
Is the rain generally moving toward Raleigh or away?
The question is based on Figures 21-1, 21-2, 21-3, and 21-4, radar images of Raleigh, North Carolina, on November 7, 2006. The Doppler radar site in Raleigh is in the center of the image; north is to the top of each radar image. Full-color versions of these figures may be viewed on the Hess Physical Geography Laboratory Manual, 12th edition, website at www .MasteringGeography. com, then select Exercise 21, or by scanning the QR (Quick Response) code for this exercise. What will be an ideal response?
Multi-vortex tornadoes can be created in the laboratory, but they don't exist in nature
a. true b. false