Democritus believed that everything that is real is made of atoms. Are electromagnetic fields physically real, and are they made of atoms?
A) Electromagnetic fields are made of atoms, but atoms themselves are not physically real and thus electromagnetic fields are not physically real.
B) Electromagnetic fields are made of atoms, but are not physically real because they are nothing but the motions of these atoms.
C) Electromagnetic fields are physically real, although they are not made of atoms.
D) Yes, electromagnetic are physically real, and they are made of atoms.
E) No, electromagnetic fields are not physically real, and they are not made of atoms.
Question 2
Which one of the following in not one of the drawbacks to the use of coal, i.e., which of the following is false?
A) We will run short on coal resources before long.
B) Coal mining causes destruction of the land.
C) Coal burning causes pollution.
D) Coal burning contributes to the greenhouse effect thus heating Earth.
E) Coal mining causes a large number of miner's deaths due to miner's diseases.
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