Which of the following would MOST LIKELY result in decreasing carbon dioxide levels in a lake? A) an increase in the amount of precipitation

B) a decrease in competition among producers

C) an increase in the number of fish caught from the lake

D) a decrease in the amount of sedimentation entering the lake

C: an increase in the number of fish caught from the lake

Explanation:

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.