Why do water droplets always take a round shape when dropped onto plane surfaces?

Options

A. Due to gravity
B. Due to atmospheric pressure
C. Due to presence of Eddy Currents in the air
D. Due to exertion of surface tension by the molecules

Answer

D

Explanation

Due to exertion of surface tension by the molecules Explanation: Surface tension is the tendency of liquid surfaces to shrink into the minimum surface area possible.This inward forces on the surface molecules of the liquid droplet tend to cause the surface to volume ratio as small as possible.