The moved later Ruth and her daughter-in-law move back after the famine because both her sons and her husband died its in the book of Ruth in the bible.
Led factories and other businesses to slow down production and begin firing their workers.
Answer:A. route of exposure
Explanation:Route of exposure refers to how someone got exposed to that allergen that got them sick. There are different routes of exposure , the way in which a substance enter one's body , it can be through inhalation, ingestion , skin absorption and injection. For example inhalation occurs mostly when a substance is a chemical in the form of vapours , gases , particulates and mist .
For this reason by knowing how it entered the body the pediatrician can determine what the substance might have been.