Convection. It occurs when a cooler, denser mass of gas or liquid replaces a warmer, less dense mass of gas or liquid by pushing it upward. A good example would be steam rising from a pot of boiling water on a stove top. When the water is boiled, the water moves in roughly circular patterns because of convection. This motion is due to density differences that result from temperature differences. Also referred as a convection current.
The answer to this question is B.) China and India. China has apporiximently 700,000,000 people and India has approximently 500,000,000 people. Making up for 36% of the worlds population.
is a service under the All India Services. ... Along with the Indian Administrative Service (IAS) and the Indian Forest Service (IFS), the IPS is one of the All India Services — its officers can be employed by both the Union Government and the individual states.