What Causes Tidal Waves?
What Causes Tidal Waves? A tidal wave is a regularly reoccurring shallow water wave caused by effects of the gravitational interactions between the Sun, Moon, and Earth...
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How Do Fish Maintain Buoyancy?
How Do Fish Maintain Buoyancy? Fish live in a three-dimensional environment. Instead of just worrying about moving forward, backward and to the sides, fish must also...
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How Does a Fish Swim?
How Does a Fish Swim? A fish swims by curving its body from side to side, stretching or expanding their muscles on one side of their body, while relaxing the muscles on...
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Which Is the World’s Largest Lake?
Which Is the World’s Largest Lake? Imagine a lake almost as big as the entire state of California. That’s the size of the Caspian Sea. It is the largest lake in...
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Do All Other Creatures Use Tools?
Do All Other Creatures Use Tools? Man was not the first of the creatures on earth to use a tool. Tools are used by animals to perform behaviors including the...
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