What is NOT considered a keyword by the C# language?

The legend identifies each data series on the chart

Indicate whether the statement is true or false

Answer the following questions true (T) or false (F)

1. Random access file organization behaves like a linked list in the way we access its data. 2. In a 2-3 tree, if a node has two key values, then the node has two children. 3. If a B-tree of order 5 contains the key values 20, 40, 50, 60, 80, 90 and 100, and the root contains only the key value 60, then deleting the key 20 will require us to merge the two child nodes.