Answer:
nobility, clergy, peasantry,
Explanation:
i'm not 100% sure i just searched it up
You ned to take a picture showing the full question, or none of the answers we give you will be accurate without knowing what it’s asking.
Answer:
When blood is half saturated by CO, partial disassociation cureve of Oxygen shifts to left
Explanation:
The affinity of CO with heamoglobin is greater than affinity of oxygen. When CO is present, oxygen is given off off less easily than when CO is not present.