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MCQBeginnerOrbits, Gravitation & Dynamics
BAAO — 2016 Astronomy & Astrophysics A2 Challenge
Question 2
Why are there two tides every day?
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Source
Source: British Astronomy and Astrophysics Olympiad (BAAO), Astronomy & Astrophysics A2 Challenge 2016. Question text, answer-choice text, and answer were transcribed from the official BAAO paper and solutions PDFs; the explanation and metadata are original.