Except catalyst because catalyst typically speed up a reaction by reducing the activation energy or changing the reaction mechanism.
Atoms are the basic building blocks of ordinary matter. Atoms can join together to form molecules, which in turn form most of the objects around you.
there is a google calculator for this, but i don't know the exact formula.
The answer is A: Between 50 and 5,000 amino acids
Epsom salt is a compound.
