Drow structural formula for the geometrical
isomers of 2;4hexadiene and provide a name for each formula
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The metre is defined as the length of the path travelled by light in a vacuum in 1299 792 458 of a second. The metre was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole along a great circle, so the Earth's circumference is approximately 40000 km.
SI units: 1000 mm; 0.001 km
Unit system: SI base unit
Imperial/US units: ≈ 1.0936 yd; ≈ 3.2808 ft; ≈ 39.370 in
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