Rasul clay is found in what country?

A new EMT asks you why the elderly are at a higher risk for developing pneumonia, as compared to those of a younger age. You inform him that the elderly are more susceptible to respiratory infections because of a(n):

A) impaired swallowing of saliva. B) decreased alveolar gas exchange. C) decreased cough reflex. D) hardening of the major arteries.

Electromagnetic radiation is propelled through space as both a particle and a wave

Indicate whether the statement is true or false