This is very good information thanks
Answer:
Ineffective airway clearance
Explanation:Ineffective airway clearance is a medical term which means the ineffective or incomplete passage or clearing of the airway around the respiratory tract such as the lungs, nose etc.
If the respiratory tract contain some secretions or blockages it causes the body system to want to make attempts at clearing itself through Coughing etc.
A drop in the number and productivity of workers :/
It’s D i’m pretty sure. correct me if i’m wrong:)