Earth's stratosphere is heated primarily by which process?
A) convection from the Earth's surface
B) absorption of infrared light by greenhouse gases
C) absorption of visible light by ozone
D) absorption of ultraviolet light by ozone
E) absorption of infrared sunlight
D) absorption of ultraviolet light by ozone
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Martian volcanoes are _______________ volcanoes with gradual slopes
Fill in the blank(s) with correct word
You can raise the temperature of an object with
a. microwaves. b. infrared waves. c. ultraviolet rays. d. all of the above. e. only (a) and (b) above.
Galileo proposed that the Sun is a rotating sphere after he ____
a. noted how the Sun rose in the east and set in the west b. discovered the parallax of the Sun c. timed a full rotation of the Sun's equator d. observed sunspots move across the surface of the Sun e. measured different spectral lines of emission on different days
A 2.00-kg block of ice at 0.00°C is dropped into a very large lake at 25.0°C and completely melts
For water, the heat of fusion is 3.35 × 105 J/kg, the heat of vaporization is 2.25 × 105 J/kg, and the specific heat is 4190 J/kg ? K. The net change in entropy of the system consisting of the ice and the lake due to this melting process is closest to A) 2.45 × 103 J/K. B) 2.24 × 103 J/K. C) 2.06 × 102 J/K. D) -2.45 × 103 J/K. E) -2.06 × 102 J/K.