cada cigarrillo acorta la vida de un fumador en 5,5 minutos, ¿cuántos minutos el fumador acorta su vida después de 25 años?

answer: proteins

explanation: complement is   system of circulate in the blood in a inactive form

i believe is what you're looking for?

it hurts at first because " the cherry is broken" which is a thin layer of skin that breaks so the first time girls have sex it hurts and it bleeds but after the first time it does hurt again because the skin that ia torn does not break again/ grow back.

i believe it is true.        

c. will be your answer sorry if im wrong tho