Question

Why do the walls of trachea hat
с collapse
when there is be less
air in it.​

Answer 1

Explanation:

The trachea is covered by incomplete C- shaped cartilaginous rings . .The back part of each ring is made of muscle and connective tissue. This ring prevents trachea from collapsing when there is less air in it. The trachea is composed of rings of tough cartilage.

Answer 2

Explanation:

It is non terminating and repeating decimal. for a no. To end with zero it should be in the form of2^n and 5^m but in this digit 3 ...