00:02
Hello student, in the first part of the question over cropping, over grazing and deforestation bring soil erosion.
00:24
In the next question in compound leaves the modified midrib is known as rachis.
00:31
In the third part tooth decay caused by germs in mouth which along with saliva and food form a thin stick transparent fluid film called biofilm on the surface of teeth.
00:51
In the next question the core the innermost region of the earth and in the fifth part chemical processes like leaching lead to weathering of rocks and formation of soil.
01:18
In the next part of the question hottest region of earth is the core that is one will go with e.
01:28
Surface is known as nml, 2 will go with d.
01:38
Breeding roots are known as pneumatophores, 3 will go with c.
01:45
Topmost layer of earth's crust is known as soil so 4 will go with b and finally leaves of ferns are known as front, 5 will go with a.
02:02
From the table we get these results...