The 1900’s
With the turn of the century came a push for organized medicine, led in part by the American Medical Association (AMA), which was growing stronger and gained 62,000 physicians during the coming decade. But because the working class wasn’t supportive of the idea of compulsory healthcare, the U.S. didn’t see the kind of groundswell that leading European nations would see soon after.
Oxidative stress is an imbalance between free radicals and antioxidants. Free radicals are molecules that contain oxygen with an uneven number of electrons. Antioxidants are responsible for giving the free radical an electron to stabilize it and make it become less reactive. Our bodies can be exposed to oxidative stress through radiation from the ultraviolet light. It can be exposed through cigarette smoke. As well as being exposed through pollution in the air and water.
A2 B3 C4 D1 I pretty sure that's it :)
Answer:
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Explanation:
