Question

Tick() the correct answers:
.1;The most fertile layer of the soil is:

(a) sub soil (b) top soil (c) Sandy soil
.2 It is responsible for most of erosion of the top soil:
2.
(a)man
(b) grazing animals (c) water
.3 Soil can be conserved by:
(a) afforestation
(b) terrace farming ( c) cover crops
.4 We can prevent soil erosion on hills sides by practicing:
(a) one embankments
(b) terrace farming (c) dams
.5 Walls of rocks and stones built on the banks of rivers is called:.
(a)dame
(b) bund
(c) fence​

Answer 1

a

Top soil contains organic humus which is very fertile