kindly help

Question: Question 1 1.1 Use example(s) to illustrate the differences between array and linked list 1.2 Use example(s) to illustrate the features of stack and queue 1.3 Use example to demonstrate what a type constraint is Question 2 Implement an extension method for class StringBuilder to count the number of words contained in a StringBuilder object. For example, if a StringBuilder object sb= "This is to test whether the extension method count can return a right answer or not", the number of words contained in sb is 16. Question 3 Implement a C# application to load the data from Medals.csv, choose an appropriate data structure to organize the data. After the data has been loaded, your app should be able to 1. Add new medalist information to the data structure 2. Delete a specific data from the data structure 3. Implement a generic Search method that implements the linear-search algorithm. Search method should compare the search key with each element in the data source until all elements has been processed. The output of this method can be IEnumerable Then use the medalist to test your Search metho Medals - Greatest Gold Medalist (1).xlsx