Answer:
molecules
Explanation:
Remember 1 mol is equal to Avogadro's number

First option.
The male tails are more attractive because of their long feathers , meanwhile the female tails are shorter than expected!
Because when anything is exposed to air, it come in contact with bacteria which begin to break down the proteins in the beans. But when it’s in a can, it can’t get exposed to bacteria which means it won’t break down.
Hope this sheds some light ♥︎