Write a short historical account of the discovery of the Avogadro’s number. In this account, include the roles of Gay-Lussac, Avogadro, Cannizzaro, and Perrin.

The answer is b because a,c,and d are opinons

Any vitamins or supplements can be obtained without prescription and are widely used as alternative from western medications. most supplements are not valued by the fda or any other drug and food agencies.

It can be classified based on its