What are the negative effects of this destruction on the global environment as well as on the local environment?

The negative effects of the destruction on the global environment as well as on the local environment are the following :

1) If forests are destroyed for making commercial area, the habitat of animals are also destroyed.

2) Forest helps in the cleaning of environment by consuming carbondioxide and releasing oxygen. If destruction of forest occurs, the environment remains polluted.

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.