Eight little spheres of mercury coalesce to form a single sphere. Compared to the combined surface areas of the eight little spheres, the surface area of the big sphere is
A)less.
B)the same.
C)greater.

Question

Quizplus · Accepted Answer

When small spheres combine to form a larger sphere, the total surface area decreases due to the square-cube law, which states that as an object's size increases, its volume grows faster than its surface area.

Eight Little Spheres of Mercury Coalesce to Form a Single