The composition of the sun is 91% Hydrogen, and the Helium and Heavy metals ratio is: 8.9% 8.6% 9.3% None of these
Accessory gland close to the digestive system near the duodenum is: Pituitary gland Liver Pancreas None of these
Insufficient blood supply in the human body is referred to as: Ischemia Hyperemia Hemostasia Hemorrhage
Bromine is used in the preparation of: Fire extinguishing compounds Fireproofing agents Dyes and antiknock compounds All of these