Sub Theme:- Historical Development
Teacher:- SHNIGDHA VERMA
School:- RAJKIYE KRIT GHATARO S. S. SCHOOL, LALGANJ, GHATARO HIGH SCHOOL, Vaishali, Bihar
Details:- 1.To get the solution of pollution in different ways use of. 2.To use the bio-degradable waste in useful ways. 3.Use Natural energy into electrical energy.