You have written the answer 7.5feets
The correct answer is their blood lacks A or B antibodies.
People with type AB blood have A and B antigenes on the surface of red blood cells (RBCs). Antigen AB has no antibodies, thus, transfusion can be considered safe ( the serum of the recipient does not contain antibodies for the blood cell antigens of the donor).
Carbon cycle is associated with fossil fuels
Answer:
X + Y → Z + Water + Energy. What do X and Y most likely represent? X represents carbon and Y represents glucose. ... X represents glucose and Y represents oxygen