Which of the characteristics below describes the terrestrial planets?
A) having rings
B) large and gaseous
C) small, dark and icy
D) possessing weak magnetic fields
E) widely spaced through the outer solar system
D
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After a rain, one sometimes sees brightly colored oil slicks on the road. These are due to
A) interference effects. B) polarization effects. C) diffraction effects. D) selective absorption of different wavelengths by oil. E) birefringence.
Allowing water to cascade or bubble in a fountain during the purification process is an example of
A) a gas dissolving in a liquid. B) a chemical reaction. C) ion exchange. D) a solid dissolving in a liquid. E) only a and b
Suppose you discovered a galaxy with a mass-to-light ratio of 0.1 solar mass per solar luminosity. What would this measurement say about the nature of the stars in this galaxy?
What will be an ideal response?
Movement of the lithosphere
A) has a plastic-like flow. B) causes earthquakes and volcanic activity. C) has a leisurely pace and allows the formation of gentle rolling hills. D) is intermittent.