1 Scientists are certain that 2002 NT7 will not hit the Earth in 2019. 2 The Earth will next be in danger 2.2 years after February 2019.
3 Scientists will use nuclear weapons to destroy dangerous asteroids.
4 We will probably try to change the position of a dangerous asteroid.
5 We know for sure that a meteor killed all the dinosaurs.
Правильно и не правильно
Объяснение:
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