During the water cycle, the sun's energy evaporates water from the surface of earth. this water is the source of a) respiration. b) transpiration. c) precipitation. d) ozone depletion.

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.

thinking it would be d not too sure but i think it's right