Answer:
The differences in gravity, craters on the moon and unknown materials.
Explanation:
These would all be helpful to consider.
Answer:
Nitrogen
Explanation:
It can change in the Atmosphere or on land:)!
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.