45. Which one of these air pollution controls was established in 1995?
A) Air Pollution Control Act
B) Clean Emissions Act
C) emission controls on automobiles
D) regulations on recycling programs

A) Air Pollution Control Act

Explanation:

I searched it up and the only thing it was talking about was the Air Pollution Control Act of 1995. SO the answer would be A.

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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.