What is the writer doing in the text?, describing space exploration, telling us why we go into space, encouraging us to become astronauts, What does the writer say in paragraph B?, Mars is too far away, It is easier to explore Mars than other planets, Mars is similar to Jupiter., What does the writer suggest in paragraph C?, Only robots can survive on Mars., Lots of countries are interested in Mars., Scientists are already on Mars, Why does the writer say "It won't be easy" in paragraph D?, Astronauts do not want to qo to Mars., Only one astronaut can go to Mars., The mission will take a long time..

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