Question

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Write the names of five things that:
1.people can do now,but couldnt do 100 years ago,200 years ago;
2.people will be able to do 100 years from now;
3.may change the face of the earth completely;
4.might help to make the ecological situation better ;
5.might destroy the life on our planet.

Answer 1

1.people can do now,but couldnt do 100 years ago,200 years ago; - play computer games
2.people will be able to do 100 years from now; - live on the Moon
3.may change the face of the earth completely; - nuclear war
4.might help to make the ecological situation better ; - ecological  education
5.might destroy the life on our planet. - a big meteorite fall