Why are footballs generally spherical in shape?

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1. A sphere is the same in every direction: all surface points are at distance $r$ from the center.

2. This symmetry makes the ball behave the same way when it is kicked or thrown.

3. Air resistance and bounce stay similar no matter the orientation.

4. Thus a spherical shape gives **uniform motion** and predictable play.

FINAL_ANSWER: b

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