Using your knowledge of matter, determine if the examples below are or are not examples of matter.
Yes, it is matter.
No, it is not matter
Sunset
Air
Water
Bag of chips
Fireworks
Sound

no yes yes yes yes no

Explanation:sunset no air yes water yes bag of chips fireworks no

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.