The greatest variety of animal and plant species is fund in
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The layer of the earth, immediately below the crust, is called
The highest mountains in Africa, which is not part of any mountains chain, is
The heavier silicates named as 'Sima' or silica + magnesium are most abundant in the
The imaginary line on the earth's surface, which closely follows the 180 � meridian, is called the
The largest part of our hydrosphere is
The limit beyond which the stars suffer internal collapse is called the
The ground water that occurs when flow of the subterranean water is not confined by the presence of impermeable layers is called
The gulf that separates Finland and Sweden in Europe is
The largest continent in the world is
The landforms that are created by massive earth movements due to place tectonics are called
The largest production of mica in Asia is from
The latitude 'AA' on the map represents the
The largest fresh water lake of Africa, area wise is
The important mountains of Europe include
The imaginary axis at which the earth rotates remains inclined at an angle of ____ to the plane of earth's orbit.
The last major glacial period began about 2,000,000 years before present and is commonly known as
The ionosphere contains ionized air that protects the earth from
The horizontal of soil profile is composed of
The highest and lowest values of a weather element observed over the entire period of record are
The highest mountain peak of Oceania is
The length of the tropical years (the time interval between successive occurrences of the spring equinox) is decreasing very slowly as a result of
The import of crude oil and petroleum done from national oil companies of producer countries, which have a net exportable surplus of oil is by
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