The respiratory problem common in smokers is______?
A. tuberculosis
B. Emphysema
C. Asthma
D. Cancer
A. tuberculosis
B. Emphysema
C. Asthma
D. Cancer
		A. Knowledge
B. Clouds
C. Rain
D. None
Nephology: The study of clouds; the branch of meteorology that is concerned with cloud types, their formation, development and dissipation.
		A. Copper
B. Iron
C. Coal
D. Wood
Black gold is a liquid based term applied to oil or petroleum, which comes in black color when it comes out of the ground and is worth a great deal of money. Petroleum is black gold and coal is black diamond.
		A. John Dalton
B. E.Rutherford
C. De Broglie
D. D.I.Mendeleef
Study of current and past landscapes formation is known as____________?
		A. Morphology
B. Aero logy
C. Geo-morphology
D. Biology
Orbital period of the planet Mercury around the sun is _____________?
		A. 88 days 
B. 365 days
C. 2 years
D. 98 days
E. None of these
		A. Super moon
B. Blue moon
C. Super blue moon
D. Red moon
This can only happen in February, as this is the only month which is shorter than a lunar month (lunation). When this occurs, both January and March have two New Moons