Earth is the 3rd planet from the Sun, the densest world in the Solar System, the biggest of the Solar System’s 4 terrestrial planets, and also the only expensive item recognized to nurture life. Planet’s lithosphere is split right into numerous stiff structural plates that move across the surface area over periods of several countless years. 71% of Earth’s surface area is covered with water.The staying 29% is land mass– containing continents and islands– that together has many lakes, rivers, and also other sources of water that add to the hydrosphere. The majority of Earth’s polar areas are covered in ice, including the Antarctic ice sheet and the sea ice of the Arctic ice pack. Planet’s inside stays active with a solid iron inner core, a fluid outer core that creates the Earth’s magnetic field, and a convecting mantle that drives plate tectonics.
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- Question 1 of 10
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The specific gravity of the earth as a whole isCorrectIncorrect
- Question 2 of 10
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The Earth’s annual circuit round the Sun covers a distance ofCorrectIncorrect
- Question 3 of 10
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The Polar diameter of the earth is shorter than equatorial diameter by about :CorrectIncorrect
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The speed of rotation of the earth is the highestCorrectIncorrect
- Question 5 of 10
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The place which has the longest day and the shortest night on 22nd December, isCorrectIncorrect
- Question 6 of 10
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Geostationary orbit is at a height of :CorrectIncorrect
- Question 7 of 10
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Owing to the equatorial bulge and the polar flattening the polar radius of the earth falls short of the equatorial radius by aboutCorrectIncorrect
- Question 8 of 10
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The study of time in relation to the earth’s history is calledCorrectIncorrect
- Question 9 of 10
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The distance between the earth and the Sun is smallest in the month ofCorrectIncorrect
- Question 10 of 10
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The Earth rotates around an axis pointing towardsCorrectIncorrect