I think A but B is a close answer
C) The deacidification process preserves pages by neutralizing acid with magnesium oxide, raising the pH level of the paper, and minimizing the alkaline reserve.
Please mark my answer brainliest, thank you and have a nice day.
The population of Marsh grasses might increase if the population of Herons decrease because the herons use the marsh to live in and potentially eat. I hope this helps
