Answer:
A or B antigens are present, In 0 Individuals receiving blood transfusions other than 0 will therefore have antibodies recognizing the transfused red blood cells A and B surface molecules , which triggers an immune response.
Explanation:
im type o
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C. H<span>ow hard a person works to do an activity.
Intensity has to do with effort. If a person works hard than they are intense, if vise versa than they are not intense.</span>
D) Water purification programs because if water is contaminated, it can produce a huge amount of illness and sickness worldwide.