The process that creates a sub layer, which is white to gray in colour and composes of silica sand in the A horizon is called
The ratio of the weight of water vapour to the total weight of air (including the water vapor) is called
The polar Easterlies lie at
The phenomenon of an opening occurring in the earth's surface through which a jet of hot water and steam is forces out at irregular intervals is called
The northern hemisphere and the southern hemisphere are separated by