D because if you have asthma you could still be affected by a other childhood disease a b c is all true data shows prof of a b and c
Answer:
Lower density of other rival geographical populations and technological advancements.
Explanation:
The specimens are sputum, throat .
What are sputum and throat ?
Sputum is to test for bacteria or another pathogen which can cause in your lungs or the respiratory tracts .
Throat is the process in which rubbing the sterile swab on tip on the surface of tonsils .
To preserve these specimen and minimize the bacterial growth they should need to transfer .
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