27 I think beacuse if you subtract
Answer:
Electrical force can pull and push
Explanation:
Answer:
Three types of chemical bonds are important in human physiology, because they hold together substances that are used by the body for critical aspects of homeostasis, signaling, and energy production, to name just a few important processes. These are ionic bonds, covalent bonds, and hydrogen bonds.
Explanation:
Answer:
The atomic mass number is the number of protons and neutrons in an atom.