4 infiltration percolation!! I think! Correct me if I’m wrong
        
             
        
        
        
H2SO4 is referred to as a strong acid and is denoted as option A.
<h3>What is an Acid?</h3>
This refers to any substance which tastes sour when in water and changes the color of blue litmus paper to red. It is usually very corrosive and are used in industries for different functions.
H2SO4 is referred to as a strong acid because it dissociates completely in its aqueous solution or water.
Read more about Acid here brainly.com/question/25148363
#SPJ1
 
        
             
        
        
        
I will have to go with carbon monoxide
        
             
        
        
        
3.0x10-4..............................