Due to Earth's the sun heats Earth's surface unevenly.
A
mass
B
composition
C
atmosphere
D
tilt

D. tilt

Explanation:

because tilt makes some of the earth face farther away from the sun than other parts at any given time of the year.

total rando 100

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.

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