Gap Fill - Colonizing Space - Level 5

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   asteroids      billionaire      collapse      inhabitants      pristine      resources      risk      species      thoughts      vacations   

Paragraph 2

Fellow multi- Elon Musk, owner of X, echoes Mr Bezos' . In 2021, he said: "We want to be a multi-planet ." Earlier this year, he warned that: "Population due to low birth rates is a much bigger to civilization than global warming." Mr Bezos can see people living in giant space stations. He said most of these would visit Earth for . He envisions Earth returning to its environment because of factories built in space. He said they would exploit on the moon or on instead of Earth's.

Try the Colonizing Space - Level 6 gap fill.

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