Why do most tornadoes in the central U.S. occur during the spring months?
A) Solar energy is a maximum.
B) Air-mass contrasts are greatest.
C) Surface air is most humid.
D) Divergence of air aloft is greatest.
E) Upper-air temperatures are warmest.
B
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An inversion represents an extremely stable atmosphere because ____
A) air becomes cooler with height B) surface air becomes warmer than air aloft C) inversions act as a lid on vertical air motion D) inversions allow air pollutants to escape freely from surface air
Cap rocks over reservoirs of petroleum and natural gas are nonporous and impermeable
Indicate whether this statement is true or false.
Describe, with the aid of a figure, the orbital paths followed by geostationary and polar-orbiting satellites and explain their advantages and uses
What will be an ideal response?
Geomorphic agents:
a. are endogenic processes. b. tend to increase relief at Earth's surface. c. include tectonic and igneous processes. d. measure energy released in an earthquake. e. erode, transport, and deposit sediment.