Sickle cell anemia is a?

Explain why you would or would not have a lasik surgery if you wore contacts or glasses.describe how public opinions related to this surgery have changed over the years.in your own words, explain this surgery as though you are explaining it to someone who has no knowledge of the procedure

American college students invented football by combining what two sports?

Can you receive a shock severe enough to prevent you from releasing the wire from an ordinary outlet with dry hands?