Are mixtures made through a physical or a chemical change?

i believe it is a.) released into

explanation:

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

im not exactly sure but i think its b!

i think that the answer is c