Gradation is broadly divided into _________ types.

____________ is mainly brought about by the changes in temperature and the freezing action of water.

_________ is like the rusting of iron in the presence of air and water.

Weathering assists __________.

__________ is when, along with sheet erosion, running water makes thin finger shaped channels called rills and washes away the soil.

__________ is the process of the removal of the top layer of the soil on a large scale by rainwater, wind or human activity.

___________ is the gradual removal or transportation of the earth's surface by natural agents like running water, wind, waves, ice etc.

The soil shows their organic and inorganic character due to __________.

Which type of forces originate from inside the earth?

_________ which means building up and adding up of materials,there by increasing the height of low landforms.