The universal blood donor is:
a. type a
b. type b
c. type o
d. type ab

C. Type O

Explanation:

The universal blood donor is type O.

O can either be an O-Positive or an O-Negative blood type.

O-Positives typically are better for donation.

answer: the answer is d.

explanation: this is because when you exercise you make your muscle produce a certain liquid, that does not evaporate it.   also when you exercise you do not reduce muscle fiber.   and it does not really control your twitch that much.

probably since the potency of the cocaine, not a lot, but i've never done any research on cocaine so i wouldn't know, but i would also guess it would determine on the gap between sniffs or if you did it all at once, so i really don't know.