I thinking A. or B. but im sure it one of them. that's a 50% chance.
From what i know, in sickle cell anemia the blood is lack of oxygen.
The haemoglobin run from the blood cell because reacted with nitric oxide, and so thats why the shape of the blood change into sickle-shaped like.
Cell division is how they reproduce
Answer:
Carbon Monoxide
Carbon forms two important gases with oxygen: carbon monoxide, CO, and carbon dioxide, CO2
Explanation:
Hope this helps:)