21. Out in the ocean, a wave crest 5.2 m high meets a wave trough from another direction which is 3.5 m deep. How high is the resulting wave?​

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Explanation:

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that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

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the five characteristics of adolescence are biological growth and development, and undefined status, increased decision making, increased pressure and the search of self.