How is electromagnetic radiation described?
A. frequency and velocity
B. wavelength and velocity
C. wavelength and frequency
Answer: C
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Air flows from ____________________ pressure regions to ____________________ pressure
regions. Fill in the blank(s) with the appropriate word(s).
How fast do mountains rise?
A) 3 to 10 mm per year B) 1 to 10 cm per year C) 1.5 cm per year D) As fast as finger nail growth.
The White Nile River loses nearly half its water as it flows through
A. Khartoum B. The Nubian Desert C. The Sudd D. The Delta
On the summer solstice, the highest position of the noonday Sun is located
a. ?near the North Pole. b. ?in the mid-latitudes of the Northern Hemisphere. c. ?in the mid-latitudes of the Southern Hemisphere. d. ?near the South Pole. e. ?near the equator.