Our atmosphere comprises of __________ Nitrogen?
A. 38% Nitrogen
B. 58% Nitrogen
C. 78% Nitrogen
D. None of these
A. 38% Nitrogen
B. 58% Nitrogen
C. 78% Nitrogen
D. None of these
A. Silicon
B. Chlorine
C. Sulphur
D. Phosphorus
A. Exploration Extravehicular Mobility Unit (xEMU)
B. Spacesuit
C. Berkut
D. Non of these
The chemical name of Laughing gas is___________?
A. Nitric oxide
B. Nitrogen dioxide
C. Nitrogen pentoxide
D. Nitrous oxide
A. Divergent plate boundaries
B. Convergent plate boundaries
C. Hotspots
D. All of these
As it turns out, heat speeds up chemical reactions and this affects the food both in good and bad ways. Overcooking can affect the quality of food – firstly it makes food harder to digest and metabolize, and secondly, charred and burnt foods contain carcinogenic substances.
A. Red Sea
B. Mediterranean Sea
C. Caspian Sea
D. Arabian Sea