For a given volume, the sphere has the smallest surface area. In the case of the water, there is an inward pull exerted on the surface water molecules by the inner water molecules due to cohesive forces. This minimizes the surface area, resulting in a sphere.
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For a given volume, the sphere has the smallest surface area. In the case of the water, there is an inward pull exerted on the surface water molecules by the inner water molecules due to cohesive forces. This minimizes the surface area, resulting in a sphere.
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