I think the correct answer would be GRAS. It means " generally recognized as safe. It is a label given to food products that were able to pass certain food amendments. Hope this answers the question. Have a nice day. Feel free to ask more.
Answer: Most likely the industrial revolution.
Explanation: The use of machines in production became more and more prevalent, eventually many factories were built in cities which caused pollution therefore making the air gross.
Answer: Increased the number of people who have healthcare.
Medicare is a federal program that provides health insurance for people over the age of 65 or for who are disabled and don't have an income.
Medicaid is a federal and state program that provides health coverage to the group of people who have low income. Both Medicare and Medicaid have increased the number of people who have health care since 1960.
Skim through the story it should be there or look up the question
