Q. Considering facts about Earth, the number of notable moons of planet Earth is

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Q. Considering facts about Earth, the orbit period of planet Earth is

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Q. Equatorial diameter of planet Earth is

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Q. The Earth inductor compass is

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Q. The Earth inductor compass was designed in

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Q. Crust of the Earth which carries the land is classified as

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Q. Crust of the Earth which carries water area is classified as

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Q. Types of crust of Earth includes

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Q. Second layer of Earth which comes after the crust of the Earth is known as

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Q. Thickness of the crust of the Earth is

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Q. Galaxy Milky Way having mass of four million times than that of sun is known as

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Q. Gravitationally bound system of stars, dust and interstellar gases is classified as

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Q. Name of Galaxy in which our eight planet solar system lies is

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Q. Granular silica gel was invented by Walter A. Patrick in

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Q. Gas molecules that absorb thermal infrared radiation and are present in large quantity to change the climate system are known as

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Q. Greenhouse gases which is present in very high quantity is

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Q. Exchange of outgoing and incoming radiations that keeps the Earth warm is known as

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Q. Wavelength of infrared radiations is

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Q. Higher energy level and shorter wavelengths are features of

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Q. Wavelength of ultraviolet radiations is

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