Answer:
The completion of all educational requirements in a dental hygienist program will typically take between two and four years. Students can expect to take coursework in anatomy, physiology, immunology and pathology
It is a good idea because it helps to detect if there is too much carbon monoxide in the house. If there is too much, it can be poisonous and the detector will let you know. this answer would be TO AVOID POISONING BY A BUILDUP OF CO GAS.
btw, is this platoweb? just curious.
Answer:
a cold disease, because symptoms are not visibles.
Explanation:
the CURANDEROS were the "native doctors" for the natives during Colombus conquest.