Answer:
I say Model 2
Step-by-step explanation:
The sun is always at the center of the solar system. Then, think of your planets in order. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune (and little Pluto). Therefore, Model 2 is the answer...
(*Besides. Model 2 is the only answer choice with the sun even in the middle of the solar system*)
Good Luck :)