Answer:
Synthesis, polymerization, and oxidation.
What do you need help with?
The answer is the last one, because 5 + (-5) is the same as 5 - 5, which equals 0, which is what the arrow points to in the last one. :)
Hopefully this helps! If you have any more questions or don't understand, feel free to DM me, and I'll get back to you ASAP! :)
