A year is related mainly to:
- a. Earth's revolution around the Sun
- b. Moon vanishing
- c. Only one rotation
- d. Mars eating Earth
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Beyond Earth — Practice
Solar system, Moon phases, and space exploration awareness.
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Which planet is known as the Red Planet?
- a. Venus
- b. Mars
- c. Neptune
- d. Mercury
Phases of the Moon occur because:
- a. We see different portions of the sunlit half as Moon orbits Earth
- b. Moon changes to square
- c. Sun switches off monthly
- d. Earth stops rotating forever each week
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