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What process in an isolated atom will make it absorb a photon?
Q4: Phobos is so close to Mars that
Q8: At what point is the Moon farthest
Q13: What happens every 29.5 days?<br>A) The Moon's
Q14: Galileo proposed that the Sun is a
Q18: The rings of Saturn are created from
Q26: Venus has many more _ than Earth,
Q36: Why do many people think stars are
Q43: Which of the following is not a
Q46: Since there are no folded mountain chains
Q73: Which statement is true when comparing Saturn