9. Which is most likely responsible for the planets' predictable patterns of movement in the solar system?
A. solar eclipses
B. Earth spinning on its axis
c. the sun's gravitational pull
D. the moon's gravitational pull

Outermost (valence) electrons

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.