Why planes window is always round #shorts |Fact2Fact|EP-20| #shorts

When a pure strain of tall plants with round peas is crossed with a pure tstrain osf short plants with wrinkled peas what proportion of the F_(1) -generation will be short with wrinkled peas?

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

Why are short waves used in long distance broadcasts?

A fast moving bullet when hits the window pane makes a round hole while a stone strikes and shatters it, why ?

C_(p) is always greater than C_(V) due to the fact that:-

The pyramid of energy is always upright for any ecosystem. This situation indicates the fact that: