David left a cup of hot coffee on his table. He noticed something rising out of the surface of the coffee. Which of the following describes correctly how the particles are arranged at P and Q?
Particles at P | Particles at Q |
(A) not so closely packed | Far apart |
(B) far apart | Closely packed |
(C) not so closely packed | Closely packed |
(D) far apart | Not so closely packed |
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