when drivers fall asleep at the wheel
The most common blood type is O+, which is 40% of humans blood type.
O+ is the most common blood type. Thus, it is the type needed most often by hospitals for blood transfusions. AB- is the rarest of the "common" blood types, so your friend is mistaken.
Bacteria are the most common type of Prokaryotes.
Officially, there are 8 different types of blood but it is close since there are positive and negative versions of blood types A,B,AB, and O. But the least common type would be blood type AB-.
Blood type O is the most common in both the US. as well as the world. Actually type O+ is the most common. Type O- is the most common of the RH negative blood types.
fender bender
A rear end collision.
when drivers fall asleep at the wheel
head on broadside stationary object auto/pedestrian
Side impact collision
It is impossible to determine what type of geological formation this collision would create based only on your question's information. We do not know to which collision you are referring.
Head-on
Head on.
Head-On
A fatal one, of course.
A rear end collision will cause your head to press against the headrest. You might also be pressed forward during this type of collision, but the first movement is against the headrest.
collision