Final answer:
Mars is the most likely rocky planet for human colonization due to its similarities to Earth, potential for supporting life, and available resources like carbon dioxide and water.
Step-by-step explanation:
Mars is the planet that humans are most likely to colonize among all the rocky planets. This is primarily due to its similarities to Earth and its potential to support life. Mars has a thin atmosphere, but it contains carbon dioxide which can be converted into oxygen through processes like photosynthesis. Additionally, Mars has evidence of past water, which is a crucial resource for colonization.
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