A pneumothorax is a possible complication of COPD. Symptoms will depend on the suddenness of the attack and the size of the air leak. The most common, immediate symptom that should be assessed is:

Sharp, stabbing chest pain and shortness of breath

Explanation: Pneumothorax occurs when air leaks into the space between the lungs and chest wall. Symptoms usually include sudden chest pain and shortness of breath. On some occasions, a collapsed lung can be a life-threatening event.

name and explain one of the event that occurs during meiosis that increases the variation in offspring even more than simple reproduction?

the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

hope it ,

bioteacher101