Twinkling of stars is caused by ?

Related Mcqs:

___________are negatively (-) charged particles of an atom?

A. Protons B. Neutrons C. Electrons D. None of These...

Fog that most often forms as warm rain falls into a cold layer of surface air is called ______________?

A. Radiation fog B. Evaporation (mixing) fog C. Advection fog D. Upslope fog...

The alloy of aluminium used for making magnet is_________?

A. Duralumin B. Y-Alloy C. Alnico D. Aluminium bronze...

Which gas is used for artificial ripening of green fruit ?

carbon dioxide acetylene ethane ethylene...

The desert mammal, who do not take (Drink) water ?

A: Mule Deer B: Black tailed Jackrabbit C: Kangaroo Rat D: Ground Squirrels...