Under which condition is competition among lions least likely?
a.
when there are fewer producers in the area
b.
when there is a large zebra population
c.
when there are large numbers of lions
d.
when there is abundant rainfall in the area

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.

the answer to your question is tooth decay.