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STRANGE GREEN ROCK FOUND ON MARS, OTHER SCIENCE NEWS, AND #DEARMOONCREW: [united-cats.com]mars-other-science-news-and-dearmooncrew/

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Druvius 8 Apr 6
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Level 9

Makes sense. There HAS to be some other color beside red, don't you think?

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Level 8

From [answers.com]

The colour of copper (II) oxide is black, while that of copper ( I ) oxide is red. The green colour you see on the Statue of Liberty is because carbon dioxide in the air reacted with the copper to produce copper(II) carbonate, which is greenish-blue.

[ Being a critical thinker can be a time-consuming nuisance. ]

3

Level 8

Turns out Mars has little green rocks instead of men.

2

Level 9

Cool. The ghosts of Mars left it behind.

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