Draw a diagram of a linked list that contains nodes with data items of type String that contains the name of a city and type double that contains a pollution index.Include an instance variable named head to indicate the beginning of the list.Insert the following nodes: Franklin,15.7,Chicago,23.2,Denver,7.2.

Pollution Index

An indicator that measures the degree of environmental contamination or the concentration of pollutants in the air, water, or soil.

Linked List

A data structure consisting of nodes that together represent a sequence. Each node contains data and a reference to the next node in the sequence.

Instance Variable

An instance variable is a variable defined in a class for which each object of the class has a separate copy, representing the object's state.