The thin layer of loose mixture of small rock particles and rotting organic matter covering the land
Earth
Humus
Soil
Weathered rock
The mixture of rock particles of different sizes, various other materials and humus is called soil.
Match the following.
(i) Land use
(a) Prevent soil erosion
(ii) Humus
(b) Land suitable for agriculture
(iii) Rock dams
(c) Productive use of land
(iv) Arable land
(d) Organic matter deposited on top soil
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(e) Contour ploughing