PL H As more support ropes are added, what happens to the distance and force required (effort) to lift the block?

The ropes are on a pulley.

How do adding pulleys affect the distance you have to pull the rope to lift the object? The more pulleys you add the less distance you have to pull. In each case, record the input force, input distance, output force, and height. Include units

one negative thing it that it can kill water animals. another negative thing is it can cause the destruction of ecosystem. one way water pollution can be reduced is to conserve energy.