Just like convection in air, when denser water sinks, its space is filled by less dense water moving in. This creates convection currents that move enormous amounts of water in the depths of the ocean.
Its a type of clay and is used for houses in other countries.
Answer:
Modern Agriculture typically involves the use of machinery that uses fossil fuel, which emit carbon dioxide, a greenhouse gas, when burned. Also, herds of livestock release methane into the atmosphere, another greenhouse gas.
