 Rozenkreauz (101) | | Is pyrite an igneous, metamorphic or sedimentary rock? Thank you for your response | |
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 CoffeeAnyone (1697) | | On a trip in Alberta, Canada we took this picture of Hoodoos. I had never seen them before. (According to Wikipedia, the free encyclopedia Hoodoos are tall thin spires of rock that protrude from the... | |
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 CoffeeAnyone (1697) | | On a trip in Alberta, Canada we took this picture of Hoodoos. I had never seen them before. (According to Wikipedia, the free encyclopedia Hoodoos are tall thin spires of rock that protrude from the... | |
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 reckon21 (2338) | | Until now I don't reject my belief that there is water in mars.How about you
do you believe that human can live in mars someday?Scientists have long studied the possibility of water on Mars,... | |
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