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Which of the Following Is Considered by Scientists to Be

Question 76

Multiple Choice

Which of the following is considered by scientists to be physically "real," but yet is not made of atoms or of other material particles such as protons, electrons, etc.?


A) neutron stars
B) the ether
C) electromagnetic fields
D) the air
E) Nonsense-- we have known since Democritus that everything is made only of atoms and empty space.

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