What has 12 humps and lives at the north pole?

Six lost camels has 12 humps and lives at the north pole. The reason is that animal which possess hump are camels and they live at the north pole. Camel is used for travel purpose and for transfer goods from one place to another place.

Basically, a camel's hump is a large heap of fat. In a normal camel hump can be of 80 pounds that is equal to 35 kilograms on the scale.­ Human and many animals stocks­ their fat blended within the muscle tissue or beneath the skin layers. Camels are the sole living organism with a hump on its back.

asthenosphere and convection

a.   mass number from atomic number