Rate the following argument fragment on its writing, argument, and language skills:
Lead: A Face on Mars, or just a common mesa? Many skeptics belive that the mesa on Mars, located at 41 degrees north martian latitude, is proof of ancient alien civilazation. In 1976, when NASA's Viking 1 crossed over a landform that showed "shadowy likeness" of a human face. When NASA revealed the picture to the public, thinking it would be a good way to draw attention to Mars, caused an uproar.

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