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Those probes showed that Mars has a thin atmosphere made mostly of carbon dioxide and that the polar ice caps are frozen dioxide, not water.. The photos revealed that Mars had no rivers,[r]
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Those probes showed that Mars has a thin atmosphere made mostly of carbon dioxide and that the polar ice caps are frozen dioxide, not water.. The photos revealed that Mars had no rivers,[r]
Ngày đăng: 07/12/2021, 02:46
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