Decomposition is the suffix
In the lungs, oxygen is put into the blood and carbon dioxide is taken out of the blood during the process of breathing. After the blood gets oxygen in the lungs, it is called oxygen-rich blood.
I would definitely say C. The mother smoked during the pregnancy.
The correct option is B.
Vitamin B12 are a set of water soluble related substances, which are very important for the proper functioning of some body enzymes and they are usually found together in the same food. Foods that are rich in Vitamin B12 include:meat, fish, poultry, egg and dairy. Some people who are vegetarians and who do not eat these kind of food will benefit greatly from taking vitamin B12 supplement.
