Rate the following argument fragment on its writing, argument, and language skills:
Evidence: Often referred to as Earth's "twin," Venus is the closest planet to Earth in terms of density and size.

A thick atmosphere of almost 97 percent carbon dioxide blankets Venus. Even more challengin are the clouds of highly corrosive sulfuric acid in Venu's atmosphere. On the planet's surface, temperatures average over 800 degrees Fahrenheit, and the atmospheric pressure is 90 times greater than what we experience on our own planet. These conditions are far more extreme than anything humans encounter on Earth; such a enviroment would crush even a submarine accustomed to diving to the deepest parts of our oceans and would liquefy many metals.

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