A. Oxygen
B. Carbon dioxide
C. Hydrogen
D. Nitrogen
A. Diphtheria
B. Leukoderma
C. Psoriasis
D. Hypermetropia
A. Electrical energy
B. Mechanical energy
C. Kinetic energy
D. Potential energy
A. Ammonia and carbon dioxide
B. Butane and propane
C. Hydrogen and helium
D. Hydrogen and butane
A. Apiphobia
B. Agoraphobia
C. Aerophobia
D. Jhanatophobia
A. Graphite
B. Marble Powder
C. Sulfur
D. Potassium Permanganate
A. Diphtheria
B. Cataract
C. Hemophilia
D. Glaucoma
A. Chromium, Iron and Carbon
B. Iron, Graphite and Carbon
C. Niobium, titanium and Iron
D. Carbon, cotton and Ilmente
A. No air pressure
B. Turbulence
C. High Air Pressure
D. Low Air Pressure