Answer:
type 1 diabetes
Explanation: pancreas can't make insulin because the immune system attacks it and destroys the cells that produce insulin. Kids and teens with type 1 diabetes are at risk for other autoimmune problems, but these aren't actually caused by the diabetes.
C. The word originated from greek philosophers during the study of 1667
Answer:
refraction
Explanation:
refraction happens when a wave passes from one medium to another at an angle
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