Question

3.
Fill in the blanks:
(a) Soil is formed by the breakdown of
(b) The most fertile layer of the soil is called
(c)
and
blow away the top layer of the soil.
increases soil erosion.
(d)
(e) Ploughing on hill sides causes soil
are cover crops.
and
(f)
are built along river banks to prevent soil erosion.​

Answer 1

Answer:

it may help u

Explanation:

a) metamorphic rocks

b) the A HORIZON

c) the qn is not clear the ans may Wind or water

d) running soil

e) contour ploughing

f) dams

Answer 2

Fill in the blanks :-

1) Soil is formed by the breakdown of rocks .

[ Soil is top layer of earth surface it is formed by the process of weathering of rocks . Soil is made up of mineral particles, organic matter etc. ]

2) The most fertile layer of the soil is called A horizon.

[ The horizon is the most fertile layer it contains humus , plant roots, organic matter etc. ]

3) Wind and Water blow away the top layer of the soil.

[ Water and wind are the two agents which are responsible for the removal of top soil ]

4) Running water is responsible for the increase in soil erosion.

[ Soil erosion is the process of the removal of top soil ]

5) Contour Ploughing on the hill side causes Soil Conservation .

[ soil erosion is the process of removal of to layer ]

6) Dams are built along the river to prevent soil erosion.

[ Dams are used to built to stop the high press flow of water ] $.$