4.2 liters..... there are 1,000 mL in a liter and there is a total of 4200 mL in this case which is divided by 1000 which gives you 4.2 liters.
I think that the answer is friction
The way it rotates is Counter-clockwise
Think of a wedge as something you put in between objects, so it is a separates objects
In the beginning, the melting stage they call it.
