Assumption: Parent ( Cloud ) and Child ( Star ) will have same chemicalcomposition.
Aim: Strengthen the assumption.
(A)In some groups of stars, not every star originated from the same parent cloud of gas.- "each star in a group forming from the same parent cloud of gas", the option is stating the prompt in the wrong way.
(B)Clouds of gas of similar or identical chemical composition may be remote from each other. - Out of focus (C)Whenever a star forms, it inherits the chemical composition
...
Aim: Strengthen the assumption.
(A)In some groups of stars, not every star originated from the same parent cloud of gas.- "each star in a group forming from the same parent cloud of gas", the option is stating the prompt in the wrong way.
(B)Clouds of gas of similar or identical chemical composition may be remote from each other. - Out of focus (C)Whenever a star forms, it inherits the chemical composition
...
