They shed their skin when they grow
It gets thicker
The cells increase in size and number.
The cell grow bigger
a popcorn appears.
The cell grow bigger
The cell grow bigger
The seismic wave's energy get's a-lot smaller
they normally shed their shells, like crabs or snakes. (except snakes shed their skin).
Scales
The seismic wave's energy gets smaller
A scale grows larger each time you add weight to it.
Your penis grows larger,you get pubic and underarm hair,you may get erections,your voice cracks and then deepens, and most people get acne