Question

what is soil ????????​

Answer 1

Answer:

Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life

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Answer 2

Answer:

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soil can be defined as a naturally occurring loose covering of Broken Rock particle and decaying organic matter humus on the surface of the earth It is capable of supporting life.

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• soil formation is combined effect of physical chemical and biological process on its parent material the rocks. this process is termed as weathering there are two types of weathering physical weathering and chemical weathering.

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soil profile

• each soil horizon is different from the other in texture, colour ,chemical composition and depth.

• O horizon

it is the top organic layer of soil made up mostly of leaf litter and humus.

• A horizon

this layer also called topsoil is Found below the o horizon seeds germinate and plants grow in this dark coloured layer it is made up of humus mixed with mineral particle.

• B horizon

it is also called subsoil this layer is beneath the a horizon and above the c horizon it contains clay and mineral deposits like Iron Aluminium oxide and calcium carbonate .

• C horizon

it is the layer beneath the b horizon and above the r horizon it consists of slightly broken up bed rocks plant roots do not penetrate this layer and very little organic material is found in this layer

• R horizon

this consists of the un-weathered rock Layer called the Bedrock. it exist beneath all the other layer