A horizontal rows on the peridic table
In a proportional combination, a chemical reaction takes place forming a compound.
what is responsible for chemical digestion in earthworms
I assume you mean chemical "change" and the answer is no, it is a physical change that takes place.
in esophagus mechanical process takes place because here the break down of food materials takes place.
welll it takes place in both mechanical and chemical
These initial substances are the reactants.
The valence electrons are the part that takes place in a chemical reaction.
NaHCO3
reactant
Small Intestine.
In the cytoplasm : )
well there is not