Answer:
Meiosis
Explanation:
Because it forms 4 daughter cells which are haploid (half the amount of chromosomes as parent cell )
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.
I think it is because in the ocean the plankton produces most of the oxygen which is used by aquatic plants and plankton is a primary producer known as autotrops.
the answer is c. hydrogen bonding
