1. The indicator solution would turn to an amber color in the water if starch molecules were present in the water in the beaker. 2. The indicator would remain amber in color if starch molecules were not present in the water in the beaker.
3. The indicator would change to a black color if starch molecules were not present in the water in the beaker.
4. The indicator solution would remain black in color if starch molecules were present in the water in the beaker.

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: 45

explanationyou have to add as well to be it could be

i believe the answer would be b. hope it : )

carbon atoms, hydrogen, oxygen, and nitrogen.