If sam sells 15 cups of lemonade, then he will make a profit. which of the following is the hypothesis in the statement above? a. sam has a lemonade stand. b. sam sells 15 cups of lemonade c. he will not make a profit d. he will make a profit

true is the answer : )

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.