An elephant radiates less heat for its size than smaller animals because
A) its radiating area is small compared to its volume.
B) its radiating area is large compared to its volume.
C) it is taller than smaller animals.
D) it weighs more than smaller animals.
Answer: A
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A neutron star is
A) the remains of a star that died by expelling its outer layers in a planetary nebula. B) a star made mostly of elements with high atomic mass numbers, so that they have lots of neutrons. C) the remains of a star that died in a massive star supernova (if no black hole was created). D) an object that will ultimately become a black hole.
Apply Wein's law to explain the corona's main energy release
What will be an ideal response?
A photon is a boson
a. True b. False Indicate whether the statement is true or false
A simple junction transistor consists of three semiconductor sections consisting of
A) pnp semiconductors. B) npn semiconductors. C) either pnp or npn semiconductors. D) none of the given answers