Fill in the blanks:
Loss of top of layer fo soil is called................ .

Destruction of layer of soil is called:

Loss of fertility of soil is called:

Fill in the blanks The capacity to do work is called_____.

Fill in the blanks : Flowers which do not open are called …….

Fill in the blanks : The outer layer of blastule is called …………. . It does not take part in the formation of embryo proper .It gives rise the ………….. Membranes .

Fill in the blanks. : A young growing plant is called__________.

Top soil is darker and

The removal of the top layers of the soil by wind is called