40 Amazing Points about The Earth 40 Amazing Points about The Earth, The Biosphere, The Lithosphere, The Hydrosphere and The Atmosphere The Earth The Earth is the fifth largest planet in the Solar System. 2% of the total surface area of Earth is covered by continents (land), while 70.8% is covered by oceans (water). The […]
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(NUMBER SYSTEM) Face value of digits: Face value of a digit in a number is the value of the digit whether this digit is at any place. Example: Face value of 9 in 25946 is 9 and face value of 4 is 4. Place value: The place of a digit in any number is the […]