Answer:
A) the law of the conservation of mass.
Explanation:
The law of the conservation of mass -
This law was given by the father of chemistry , Antoine Lavoisier , in the year 1789.
According to this lass, mass can neither be created nor be destroyed , it can only be altered from one form to other , is referred to as the law of conservation of mass.
The method is recycling is the same as the law of conservation of mass , where the object is converted to one form to another , without any loss .
