In what structure would you find the follicle

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

b exhibiting favoritism toward the kikuyu people.

yes, because even though a theory has a  lot of evidence to support it, it is not always true