What is the speed of sound in air by Aumber Rana March 24, 2020A. 1347 km/h B. 1235 km/h C. 1290 km/hD. 1495 km/h 0 comment 196 views 0 FacebookTwitterPinterestLinkedinEmail
The United Nations Conference on Environment and Development (UNCED) also known as RIO Summit was held in by Aumber Rana March 24, 2020A. 1990B. 1991 C. 1992 D. 1993 0 comment 201 views 0 FacebookTwitterPinterestLinkedinEmail
Paris Climate Agreement was adopted in: by Aumber Rana March 24, 2020A. 2014 B. 2015 C. 2016D. 2017 0 comment 201 views 0 FacebookTwitterPinterestLinkedinEmail
Inflammation of liver is caused by by Aumber Rana March 24, 2020A. Typhoid B. Hepatitis C. CholeraD. Jaundice 0 comment 210 views 0 FacebookTwitterPinterestLinkedinEmail
Iron and steel structures are damaged by: by Aumber Rana March 24, 2020A. Carbon MonoxideB. Carbon dioxideC. Sulphur dioxide D. Methane 0 comment 671 views 0 FacebookTwitterPinterestLinkedinEmail