Answer:
The correct answer is - Antacid, acid blockers.
Explanation:
Marbles are metamorphic rock when it is subjected to get pressure and heat to lie stone a calcium carbonate rock. This is considered a very good agent for neutralizing the acids.
Marbles neutralize the acid by reacting to them and release carbon dioxide, due to made up of limestone or calcium carbonate. They are available in over- the-counters medicine such as antacid and acid blockers.