Test Diaphragmatic breathing technique

QUESTION 1: WHICH IS THE MAIN MUSCLE USED IN DIAPHRAGMATIC BREATHING?

Diaphragmatic breathing involves the use of the diaphragm and allows the lungs to be completely filled with air, while shallow breathing only uses the upper part of the lungs
Shallow breathing is faster than diaphragmatic breathing
Shallow breathing is done through the mouth, while diaphragmatic breathing is done through the nose
Diaphragmatic breathing is more agitated than shallow breathing

It is practiced exclusively during prolonged meditation sessions
It is practiced only before going to sleep
It can be practiced during short breaks at work, in traffic or before going to sleep
It is practiced only in a quiet place