How does energy acquisition in the deep sea differ from energy acquisition near the ocean’s surface?

a.
organisms in the deep sea acquire energy directly from the sun.
b.
organisms near the ocean’s surface rely on chemosynthesis rather than photosynthesis.
c.
organisms in the deep sea do not have direct access to sunlight.
d.
organisms in the deep sea have no means to obtain energy unless they travel to the ocean’s surface.

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.

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explanation:

b r

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