Study the following picture : (A pie chart of livestock, with segments labelled Sheeps and Goats, Pigs, Others, Poultry, and Cattle and Buffalos.) Identify the kind of activities, which may be envisaged under _______ as diversification activity. (Fill up the blank with correct alternative.) Alternatives : _______ farming is a system that is helpful in restoring, maintaining and enhancing the ecological balance. (Choose the correct alternative to fill in the blank.) (A) Multi layered (B) Chemical (C) Organic (D) Conventional