Answer:
2 number is right! but i am not sure!
The planet described is Jupiter. Ganymede is the moon described.
If it is the fill in the blanks.The answer is The circles,or orbits,for electrons are called energy levels.
The answer to this question would be letter C because a dependent variable depends on the project. For instance, If there is a scientist trying to see which plant will grow the fastest just using water. The plant depends on the water. hope this helps!