Chemistry, 02.06.2021 16:50 salllllllllll
NASA has been planning a manned trip to Mars since the 1990's. Which of
the following is a reason why space travel is so difficult?
A- large distance between the planets
B- the cold temperatures of space
C- inability to find a landing zone
D- unpredictable movement of the planets
please hurry!!
Answers: 3
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NASA has been planning a manned trip to Mars since the 1990's. Which of
the following is a reason w...
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