Disposable diapers, while a convenience, are an environmental disaster. if people would use cloth diapers instead of those made of disposable paper, much less paper would be produced saving millions of trees each year. therefore, people should go back to buying, washing and reusing cloth diapers and earth’s precious natural resources would not be consumed so rapidly. this argument depends of which of the following assumptions?

The process of washing cloth diapers consumes less natural resources than that of using disposable diapers.  

Explanation:

The process of using a cloth diaper helps to decrease the use of natural resources mainly trees which is used in making disposable diapers. This is the key cause of the argument given in the question, because the argument here is concerned about the number of millions of trees can be saved in each year, if people use more cloth diapers than disposable one that makes use of paper.

The process of washing cloth diapers consumes less natural resources than that of using disposable diapers.

the answer is:

c. economic output