What is an advantage of making plant-based products, such as cotton, instead of making petroleum-based products, such as plastics?

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.

it's c (engineer's do their work with mechanical stuff not on any living being)