From whom do teeth and bones gain strength and firmness?

The 'Greenhouse effect' is produced due to the presence of excess amount of  

When the Left Ventricle in the human heart contracts, the blood moves to the 

A device, which is used in our TV set, computer, radio set for storing the electric charge, is

Is it a small quantity of additives to keep tomato chutney fresh for longer? 

What would be the time period of a pendulum, when taken to the Moon?  

When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together?