Respuesta :
Of the pollutants that form acids in the atmosphere, that is easiest to reduce is sulfur dioxide. The correct option is A.
What is Sulfur dioxide?
Sulfur dioxide is a gas formed by sulfur and oxygen. It is produced when sulfur containing fuels, coals, burns, and sulfur reacts with oxygen in the air.
It is harmful gas, it causes many problems to human beings and cause many diseases such as breathing and lung when come in exposure to it.
Thus, the correct option is A. sulfur dioxide.
Learn more about sulfur dioxide
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