Answer: Antibiotics: 1929. ...
Tissue culture: 1949. ...
Risks of smoking: 1950. ...
Antipsychotics: 1952. ...
DNA: 1953. ...
Immunology: 1958. ...
Oral rehydration therapy: 1960s–1970s.
Explanation:
By sending chicken bones over seas. hope this helps. USA
A. Authorities maintain total control over the lives of the people
Totalitarian starts with the word “total” meaning total control. Totalitarian leaders control housing, education, business, labor and wages, press and food supply, to name a few. People in these places have little to no options and are usually extremely oppressed.
32 degrees F
Freezing point of Celcius is 0, which, converted to Fahrenheit, would be 32.
I would say that the most typical stressor here is an unexpected visit. Starting from you feeling uncomfortable about not preparing (dirty flat, etc), you might not want to meet those people and might feel stressed about how to tel them this.
The other options are potential "positive" surprises.