Explanation:
algea bottom of foodchain with water worms and mice?
Answer:
O: Type O individuals can donate blood to anyone, because their blood has no antigens. However, they can only receive blood from other type O individuals (because blood with any antigens is seen as foreign).
I think it is a 50-60 percent chance. More boys are produced in the world than females at the moment, which might explain the reason some people are single.
