Is would be the core region
Massive land size, countries with the world’s largest populations such as China, India, japan, etc
India is Muslim and Pakistan is budasim
Subsoil: This layer has normally less organic matter than the A horizon, so its colour is mainly derived from iron oxides. Iron oxides and clay minerals accumulate as a result of weathering. In a soil, where substances move down from the topsoil, this is the layer, where they accumulate.
Note: This information has been taken out of a website.
The largest water reservoir is the ocean, containing 97.3% of all water on Earth.