Which of the following statements about interstellar matter is FALSE?
A) 99% of it is in the form of gas
B) it is clumpy: much of it is distributed in patchy, irregular clouds
C) the total mass in interstellar matter in our Galaxy is about 5% of the mass in stars
D) if the matter were spread out evenly, it would be about as dense as the Earth's atmosphere
E) it also includes grains of dust
Correct Answer:
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