Respuesta :
Perhaps the study of chemical reactions is not a central theme of biology, but of chemistry.
The study of chemical reactions is not a central theme of biology, but of chemistry.
Explanation:
The study of chemical reactions is a central theme of chemistry in which all the reactions are studied and their mechanism is also discussed it is a process that involves rearrangement of the molecular or ionic structure of a substance, as distinguished from a change in natural form or a nuclear reaction,where as the other options are related to the field of biology.