The agenda for environmental protection was defined at the landmark UN Summit Conference on Environment and Development held in Rio de Janiero, Brazil. In which year was the Summit held? A. 1990 B. 1992 C. 1997 D. 1999 تجاہل عارفانہ‘ سے کيا مراد ہے؟’ B: ANSWER جان بوجه کر انجان بننا .A غفلت سے کام کرنا .B جاہل آدمی .C عقل مند شخص .D