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An interface reference can refer to any object of any class that implements the interface.

Consider the code shown below.  It contains a syntax error, preventing successful compilation and execution.  What is the error? public class Inherit     {         class Figure         {              void display()              {               System.out.println(“Figure”);              }         }         class Rectangle extends Figure         {              final void display()              {               System.out.println(“Rectangle”);              }         }         class Box extends Rectangle         {              void display() {               System.out.println(“Box”);              }         }         Inherit()         {              Figure f = new Figure();              Rectangle r = new Rectangle();              Box b = new Box();              f.display();              r.display();              b.display();         }         public static void main(String[] args)         {              new Inherit();         }    }

One of the advantages of the linear search is that it does not require its data to be sorted.

A mixture of hydrogen, nitrogen and oxygen gases have partial pressures of 1.0 atm, 3.0 atm, and 5.0 atm, respectively.  What is the total pressure of the mixture?

Who painted “Liberty Leading the People”?

Give one example of how biotechnology is used in medicine.

Describe anaerobic respiration.

Define eukaryote and name two examples.

Name two types of aquatic ecosystems.

Name and describe one internal checkpoint during cell cycle. Why are checkpoints important?