Question

this continuum scale shows how common different blood types are.
based on the continuum scale, which blood type is most common?
ab-
o+

Explanation:

The continuum scale shows "less common" on the left and "more common" on the right. The blood type O+ is positioned furthest to the right on this scale, indicating it is the most common among the options. AB - is positioned towards the left (less common side).

Answer:

O+