If you quickly plunge a room-temperature mercury thermometer into very hot water, the mercury level will
1.go up briefly before reaching a final reading.
2.go down briefly before reaching a final reading.
3.not change.
2
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Aberration: Chromatic aberration in lenses is due to the
A. reflection of light by the lens. B. refraction of light by the lens. C. dispersion of light by the lens. D. polarization of light by the lens. E. None of the other choices is correct.
What is stellar nucleosynthesis?
A) the formation of heavier elements inside stars B) the formation of planetary nebulae by red giants C) the formation of stars from a nucleus of contracting material D) the formation of white dwarfs, neutron stars, and black holes from stars E) the process by which stars form interstellar dust
The eosinophilia-myalgia syndrome outbreak resembled an illness with similar symptoms that affected some 20,000 people in Spain as a result of what household item being contaminated?
What will be an ideal response?
What evidence do we have that the surface of Mars has never divided into moving plates?
What will be an ideal response?