At the entrance of most beaches, there is a bulletin board with notices about water conditions: maybe a faded sign warning about rip currents and a list of this week's tide tables. Most people pass them by without a second thought, but if you want to enter the ocean, it is important to know its movements, whether to avoid being caught in a riptide or to figure out when the waves will be at their best.
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Answer: the water level would rise since the pebble displaces minimal water compared to the boat.
Explanation:..........
Answer:
Convex lens is used in astrology
