Put these layers of the Earth in order, starting at the outermost layer and going inward.
1Liquid core
2Crust
3Mantle
4Solid core

Pls help

1 crust

2 solid core

3 liquid core

4 mantle

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.