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.
It’s the last one Tubular
Answer:
B. Store of value
Explanation:
A reserve of value is the function of an asset that can be saved, retrieved and exchanged at another time. More generally, a store of value is anything that retains purchasing power in the future.
