... interesting place to live because we can go a lot of places in a much shorter time In the third place, although human activity may have caused some problems for the Earth, the environmental problem, for ... example, but humans are trying to looking for effective solutions to these problems In conclusion, although human activity may have some drawbacks, its advantages far outweigh its disadvantages, ... ( Word Reader - Unregistered ) www.word-reader.com this long distance before the advent of these inventions Because of a variety of inventions by humans, the Earth is becoming a more and more...