Answer:
Following are the solution to the given question:
Step-by-step explanation:
Please find the complete question in the attachment file.
In the confound:
It is the Library environments, that are distinctive, the primary schools may be of different attributes.
In not the Confound:
It is the assessment results, which have been improperly categorized, the summer program learns additional articles, by each of the programmers is done provided for free.