Freshwater Lake ☆
Layer 1
Layer 2
Layer 3
Which statement best descnbes the distnbution of life in the lake?
Autotrophs exist mainly in Layer 1 because most sunlight reaches this level,
Heterotrophs exist only in Layer 3 because they consume larger organisms near the bottom
Decomposers exist mainly in Layer 2 because they have access to producers and consumers
O Autotrophs, heterotrophs, and decomposers exist equally in all three layers because lakes are not very large,

answer; i believe the answer is hydraulic action;

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.

answer: 45

explanationyou have to add as well to be it could be