C. The law of segregation. Hope this helps.
Not sure i guess people are just insecure to eat in front of people
The hormone being referred to is Epinephrine.
This hormone is secreted mainly in the medulla of the adrenal glands and it functions primarily to increase cardiac output and to raise glucose levels in blood. Normally the hormone is produced during acute stress, and its stimulatory effects fortify and prepare individual for fight or flight.
I think the answer would be D. The best technology to be used should be finding a way to burn the waste without releasing chemicals. It could be that the gases produced are passed thru filters to filter out the hazardous substances or other ways eliminating the hazardous chemicals.