Identify a technique to control water or soil pollution at its source. Describe any one pollutant that is converted into a harmless form by this technique. What is the pollutant converted into and how?

c, 1a hope this

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

hi i’m sorry to call us today so we will get back with y’all and we will have to do it haha omg was the day