Ozone depletion occurs commonly due to_______________?
A. Carbon dioxide B. Chlorofluorocarbons C. UV rays D. Deforestation
A. Carbon dioxide B. Chlorofluorocarbons C. UV rays D. Deforestation
A. 574 Kcal/kg B. 674 Kcal/kg C. 774 Kcal/kg D. 874 Kcal/kg
A. Physical B. Chemical C. Physiological D. Morphological
A. 90 degrees B. 60 degrees C. 40 degrees D. 65 degrees
A. 10 to 20 B. 20 to 30 C. 30 to 40 D. 40 to 50
A. Solid B. Liquid C. Gases D. Vaccum