What are the similarites between igneous and sedimentary rocks physical appearance?

Similarities: both of them have smooth crystal, they are both naturally occurring, and both are solid and formed from minerals.

Differences: The differences are, igneous rocks are formed by cooling magma on earths surface, and sedimentary rocks are formed from different combined sediments.

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.

answer by yourhope:

hi! : )

in which structure in the nucleus are ribosomes made?

b) nucleolus!

: )