A tornado system can be detected on Doppler radar by the appearance of a ____ echo
a. bend
b. wall
c. meso
d. hook
e. debris
ANSWER: d
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Solar power generating facilities that generate electricity at large centralized facilities and transmit that power to homes and businesses through the electric grid are called ________
A) passive solar energy collection systems B) photovoltaic systems C) concentrated solar power (CSP) facilities D) diffuse solar energy collection systems E) dispersed solar collection facilities
Describe the physical geography of U.S. settlement between 1790 and 2010 and identify pull factors or other conditions that stimulated this westward movement
What will be an ideal response?
The addition of water vapor will cause the density of air to:
A) vary widely in a horizontal direction. B) increase. C) decrease. D) stay the same.
Which of the following gases accounts for about 78 percent of the atmosphere's mass?
a. water vapor b. nitrogen c. ozone d. carbon dioxide