Answer:
The answer is Dependent Variable
I think b is the right one
Most of the mass is located in the nucleus as suggested by Rutherford's gold foil experiment.
Answer:
The type and length of a lunar eclipse depend on the Moon's proximity to either node of its orbit. ... A total lunar eclipse can last up to nearly 2 hours, while a total solar eclipse lasts only up to a few minutes at any given place, due to the smaller size of the Moon's shadow.