Only when there is no product that is when a chemical reaction has not occured
Answer:
Peer review is a quality control measure for medical research. It
is a process in which professionals review each other's work to
make sure that it is accurate, relevant, and significant. Scientific
researchers aim to improve medical knowledge and find better
ways to treat disease.
if I am right mark the answer as brainliest
When you plug in an electrical heater, it turns the electrical energy into radiant energy.<span />
The body gets rid of acid in a chemical pathway that requires oxygen. The correct answer is B, oxygen.