Answer:
Polymorphism means that a variable of supertype can refer to a subtype object.
Explanation:
For example, in Python programming language, a function that accepts an iterable object uses the concept of polymorphism because that function can accept strings, lists, tuples as arguments.
Independent Component Analysis (ICA) is based on information-theory and is also one of the most widely used dimensionality reduction techniques.
A float data type can hold a decimal number.