Ababy after the first six months of life, has been admitted to the hospital often with viral and bacterial infections. no antibody (nor t cell) activity was evident in this child. what is the most is likely cause of this disorder? what should be the most likely therapy for this child?

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity