The answer would be that the process to protect the underground pipelines and storage tanks is cathodic protection.
 
        
             
        
        
        
Answer:
As  28m/s = 28m/s
Explanation:
r = the radius of the curve
m =  the mass of the car
μ = the coefficient of kinetic friction
N = normal reaction
When rounding the curve, the centripetal acceleration is

therefore



As  28m/s = 28m/s
 
        
             
        
        
        
A lodestone is a naturally magnetized piece of the mineral magnetite. They are naturally occurring magnets, which can attract iron. The property of magnetism was first discovered in antiquity through lodestones.
        
             
        
        
        
In object in motion stays in motion; speed
        
             
        
        
        
B. so light can shine through it from below.