60spf or higher
I think not sure but pretty sure that's correct
Its close to the knee. Lymph nodes are found throughout the body but popliteal is concerning the knee.
#1 would be A, #2 would be false, as narcotics are incredibly addictive. #3 is absolutely true, as abuse of almost any medical thing can be life threatening.
Treating a city's water supply to remove any bacteria and impurities as clean and hygenic water supplies benefits the public/society.