A. immune system
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A poisonous snake of North America is the Rattlesnake... I'm not sure if it's one of only 2, but it is one.
Its called fight or flight , adrenaline
MRIs=Cancer
Glucose Pumps= Diabetes
PET= Bipolar Disoder
Plz choose it as brainliest and don't forget to say thx
Answer 28
Explanation:
28 times more according to the National Highway Traffic Safety Administration (NHTSA) for 2016
