The ozone layer is at height of________kilometers from the surface of the Earth?

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Periodontics deals with _____________?

A. Surgery of spine B. Stomach disorders C. Ligaments restoration D. Dentistry E. Heart attacks...

Japan is called ‘Land of the rising sun’ because:

A. Sun rises there as soon as it sets B. Sun always remains in the eastern past of the sky throughout the day in Japan C. Japan being the Eastern most country in the world, it has the earliest sunrise D. The rays of the sun get reflected from the waters of the sea and … Japan is called ‘Land of the rising sun’ because:Read More...

What is the number of known crystalline phases of water________?

A. 4 B. 8 C. 17 D. 18...

Soap is ______?

A. Acid B. Chemical C. Powder D. Salt...

Science which deals with the position and movement of heavenly bodies ?

A. Astrophysics B. Astronomy C. Astrology D. Astronautics...