I say A not sure tho but I did get a grade 5 in biology
A baby's immune system is not fully developed until he/she is about six months-old. In the meantime, pregnant mothers pass immunoglobulin antibodies from their bloodstream, through the placenta, and to the fetus. These antibodies are an essential part of the fetus's immune system. They identify and bind to harmful substances, such as bacteria, viruses, and fungi that enter the body. This triggers other immune cells to destroy the foreign substance.
D. Winds transfer energy in the form of heat from the air to the ground
Answer: Oxygen and glucose are both reactants in the process of cellular respiration
Explanation: hope this helps!
Answer:
Protein is the macromolecule that is involved in how hemophilia is passed from parents to children
Explanation:
Hemophilia A, also called factor VIII (8) deficiency or classic hemophilia, is a genetic disorder caused by missing or defective factor VIII (FVIII), a clotting protein. Although it is passed down from parents to children, about 1/3 of cases found have no previous family history.