The model of the solar system changed, because
a understanding of the solar system changed.
b. the order of the planets changed.
c. the first model of the solar system was not built to scale
none of the above
Please select the best answer from the choices provided
OA
OB
oc

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.