What was the "solar neutrino puzzle"?
A. Neutrinos from the Sun were spontaneously changing into unexpected types.
B. Neutrinos fired at the Sun's core were not reflecting properly back to Earth.
C. Particle accelerators on Earth were interfering with the Sun's core.
D. The sun did not produce any neutrinos, indicating it cannot be powered by fusion.
E. The Sun's core was producing too many neutrinos.
Answer: A
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A. small resistance in parallel. B. large resistance in parallel. C. small resistance in series. D. large resistance in series.
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A) water is denser at deeper levels. B) water pressure increases with depth. C) surface tension exists only on the surface of liquids. D) it looks better. E) none of the above
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Indicate whether the statement is true or false