PH is a measure of hydrogen ion concentration, a measure of the acidity or alkalinity of a solution.
Answer:
The correct answer is: It loses electrons.
Explanation:
In the reactions of oxide reduction (redox), one substance gives up electrons and the other accepts them. Involved: reducing agent (yields electrons, increases its oxidation number: oxidizes) and an oxidizing agent (accepts electrons, decreases its oxidation number: reduces).
Red blood cells is correct
