To calculate life expectancy you need to know how much the disease severity, risk factor the patient had and the complication that already occurs. In general, 90% of stage IV sarcoidosis patient will survive in 5 years, and 80% will survive for 15 years.
Chemical properties? raft? 2 different realms my friend
Try this web site. It might have the answer. But you might have to scroll down some. https://quizlet.com/16339858/chapter-34-the-plant-body-flash-cards/