(a) Explain the following modes of nutrition which occur in plants:
(i)Autotrophic
(ii) Chemosynthetic
(iii) Carnivorous

(b) Give one example each of a plant which undergoes the modes of nutrition listed in (a) above.

(c) (i) Describe three ways by which nitrogen is added to the soil for plant use.
(ii) State two ways by which nitrogen is lost from the soil.