How does a convention current work ?

These movements in the soup are called convection currents, and they are the reason that a pot of boiling water moves around so rapidly. The water is heated, becomes less dense and rises, cools, becomes denser, and sinks, over and over again.

A) Abyssal plains

Explanation:

The Abyssal plains is one of the features of the Ocean basin. It is has a very large space and it is flat in shape.

The Abyssal plains have a depth that ranges from 9800ft to 20000ft which means it is quite deep.

The Abyssal plains has been found to occur largely in the Alantic Ocean. The Abyssal plains has been found to be covered with sediments such as clay and silts due to the sediments been deposited by very turbid oceanic currents

The temperature in the Abyssal plains ranges between 0 - 4°C. Living organisms such as shrimps, worms, sea urchins are inhabitants of the Abyssal plains.