December 1, 202194 words
Published: December 1, 2021 | 94 words
Carbon Dioxide95%Molecular Nitrogen2.8%Argon2%Molecular Oxygen0.174%Methane10.5 ppb Hydrogen15 ppm 40-50 ppmCarbon Monoxide 0.0747%Sulphur Dioxide1-2 ppb (Measurements taken by Viking Landers 1970) The invention of the chainsaw is an important milestone in me...
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