Answer:
made with the material that is water proof
I would say B because different people see famous people in different ways. like a famous person would just see them self as a person whereas a non-famous person would see them as amazing and superior to others.
There could be many different comparison features that would
lead to an observation of similarity or dis-similarity.
A mirror might be said to be similar to a convex lens if it is round,
or if it has a curved surface, or if it is made of glass.
Answer:

Explanation:
From the question we are told that:
Height
Length
Mass 
Final speed
Generally the equation for Potential Energy P.E is mathematically given by

Therefore
Initial potential energy

Generally the equation for Kinetic Energy K.E is mathematically given by

Therefore
Final kinetic energy

Generally the equation for Work_done is mathematically given by

Therefore

