Look at the body shapes of the fish shown below. which one is best adapted to live in shallow water along the seafloor, and why? a. fish a because of its elongated body and powerful tail b. fish b because of its flattened shape and eyes on the dorsal side c. fish c because of its streamlined shape and enlarged pectoral fins d. none of the above because they all continually swim to survive

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.

i'd say that the moon rock is about 2.2 billion years old.