Study specimens A (BONE), B (HORN), C (HOOF), D (WATER) and E (COWPEA) carefully and answer the following questions

(a)(i) State one major feed nutrient in each of specimens A and E

(ii) Mention three economic uses each of Specirnens A, B, and C

(b)(i) State two functions of specimen D in farm animals

(ii) Highlight two benefits that a farmer would derive if specimen E if included in a crop rotation program.