Why do the planets orbit the sun and not the Earth?
A. Earth is not small enough to produce the kind of energy needed to control the other planets.
B. Earth is not close enough to the center to control the orbits of other planets.
C. Earth is not massive enough to have the kind of gravitational force needed to keep planets in orbit around it.
D. All of these choices are correct.
E. None of these choices are correct.
Answer: C
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What is happening at the molecular level when a polar molecule like water interacts with a typical sodium ion?
A. The polarity of the water molecule is altered making the hydrogens more negatively charged. B. The polarity of the water molecule is altered making the oxygen more positively charged. C. The water molecule aligns such that the hydrogens interact with the sodium. D. The water molecule aligns such that the oxygen interacts with the sodium. E. none of the above
Relative to ultraviolet waves, the wavelength of infrared waves is
A) shorter. B) longer. C) the same.
China's assembly plants are clustered next to ________. This is primarily because the final assembly of autos is a(n) ________ operation
A) population centers, bulk-gaining B) coastal areas, labor intensive C) ship building facilities, skilled labor D) sources of inexpensive energy, energy intensive E) auto parts manufacturers, vertical
There are insufficient data to determine with a strong degree of certainty that solar variability affects climate
Indicate whether the statement is true or false