Answer:
1.The closer a planet is to the sun,the shorter it's period of revolution.The farther away a planet is from the sun,the longer it's period of revolution.
2.among the 8 planets I would choose Mars ,because Mars is the most habitable planet in our solar system due to several reasons: it's soil contains water to extract.it isn't too cold or hot.Gravity on Mars is 38% that of our Earth's which is believed by many to be sufficient for the human body to adopt to.
Explanation:
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