Answer: (C) Was an English anesthesiologist who used natural experiments.
Explanation:
John snow was an English anesthesiologist and he accomplishment in the anesthesia, medicine and in the epidemiology.
Dr john snow set up the series for using the natural experiments. He is also known as the father of the modern epidemiology.
He basically believe that the sewage dump into the rivers near the town can cause the cholera outbreak. In 1854, he investigated the reason of out break and also proves his theory in the Soho, London. He also leader of the development of the medical hygiene and the anesthesia.
Some less hazardous pesticide such as self-contained bait stations, indoor gel or paste crack-and-crevice treatments, antimicrobial pesticides including disinfectants and sanitizers, are exempted from HSA's posting, notice, recordkeeping, and reporting requirements.
What is the Healthy Schools Act (HSA) and who is it for?
- For K–12 public schools in California as well as licensed child care facilities, collectively referred to as schoolsites, the Healthy Schools Act (HSA) establishes pesticide use and reporting regulations.
- Anyone using any kind of pesticide on a school site is subject to the HSA, including school personnel, volunteers, and pest control companies.
- The Department of Pesticide Regulation (DPR) creates training programs and other educational resources to promote least-toxic pest control practices and help with HSA compliance.
Learn more about the Pesticide tolerance with the help of the given link:
brainly.com/question/24316938
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