Answer:
Part a)

Part b)

Part c)

Explanation:
Part a)
As we know that the diver will have zero velocity in vertical direction
so here we can say that



Part b)
as we know that


so we will have


Part c)
Distance covered by diver from the edge of the pool is given as



Use the equation in the physics reference sheet. You can use the distance formula
I believe that the answer would be atomic mass.<span />
The waste that poses substantial or potential threats to public and environment health
Hazardous waste are actually defined as RCRA in 40 CFR 261 the the four hazardous traits are
ignitability
reactivity
corrosivity
toxicity
i think its b