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* ‘on space exploration, especially by developed countries, often brings up..’ (commas)
* ‘is a sheer waste of ..’
* the sentence ‘have been able to find space’ is not entirely clear. Do you mean that they have been able to find planets?
* ‘a better place to live [the word here is not readable]’
* ‘the huge amounts of money spent of space exploration is…’ I think an ‘if’ might be missing at the beginning of this sentence. Please check.
* ‘as any amount’ not ‘any amounts’ (conclusion paragraph)* 4.5/6