Which of the following conditions will produce the largest waves? ?

The correct answer is the statement, that is, strong and long duration winds in a large fetch.

Explanation:

The waves that are located on the surface of the ocean are generally formed by the wind that is conducting its energy to the water. The swells or the big and huge waves can cover long distances. The size of the wave relies upon the duration of the wind, its speed, and the region over which the blowing of wind is taking place.  

In case, if the wind speed is more, then it remains for a longer duration and encompasses a larger distance, and thus, the waves generated will be large and more powerful.  

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