Answer:
B
Explanation:
If it is denser it will more likely sink because of convection currents forcing it down.
1. Smoking
2. Weight
3. Alcohol
4. Drugs
5. Depression
<span>An oxidation-reduction (redox) reaction is a type of chemical reaction that involves a transfer of electrons between two species. An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron.</span>