Question 4 of 5 Which moon of Jupiter is covered in craters?
O A. lo
O B. Callisto
O C. Europa
O D. Ganymede

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Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

What is the name of the two satelites on mars