Global warming
a. has not yet been observed
b. has been caused by increasing levels of carbon dioxide in the atmosphere
c. has led to a depletion of the ozone layer in the atmosphere
d. has no serious consequences
B
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Belt and zone circulation
a. occurs on Jupiter. b. occurs on Saturn. c. is caused by rising and sinking gases. d. is more obvious on Jupiter than on Saturn. e. All of the other choices are correct.
The wavelength of light visible to the human eye is on the order of 5 × 10^-7 m. If the speed of light in air is 3 × 10^8 m/s, find the frequency of the lightwave
a. 3 × 10^7 Hz b. 4 × 10^9 Hz c. 5 × 10^11 Hz d. 6 × 10^14 Hz e. 4 × 10^15 Hz
Conversion of Units: The following conversion equivalents are given: 1.0 kg = 1000 g 1.0 l = 1000 cm3 1.0 l = 0.0353 ft3The density of a certain liquid is 0.83 g/cm3. The density of this liquid, expressed in kg/ft3, is closest to
A. 24 kg/ft3. B. 19 kg/ft3. C. 21 kg/ft3. D. 26 kg/ft3. E. 28 kg/ft3.
About where is our solar system located within the Milky Way Galaxy?
A) at the center of the galaxy B) about 10 percent of the way from the center of the galaxy to the edge of the galactic disk C) about halfway from the center of the galaxy to the edge of the galactic disk D) near the far edge of the galactic disk E) in the halo of the galaxy above the galactic disk