Questions

Pearl Harbour is an American Naval base in Hawaii

As there is no atmosphere surrounding the moon, the second from any band that is played there cannot travel outwards there is no material medium surrounding if for its propagation.

Uracil is not found in DNA but found in RNA.

Veins are blood vessels that carry blood toward the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart. In contrast to veins, arteries carry blood away from the heart.

Veins are less muscular than arteries and are often closer to the skin. There are valves in most veins to prevent backflow.

SHORT is the required five letter word, which becomes SHORTER when two letters 'ER' are added to it.