Which statement describes a benefit of a model that uses three balls to model the Sun-Earth-Moon system?
OA. The only information shown is how eclipses happen.
B. It can be used to represent motions that are too fast to be studied
c. Every aspect of the solar system can be modeled by the balls.
D. It represents a very large, complex system.
easily.

answer: option d : 3.85 units

step-by-step explanation: in the given figure the blue line is diameter   .the diameter is the blue line which equals 7.7 units.radius is half of diameter .radius = 7.7÷2=3.85 units.

option d is the right answer.

explanation:

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