Answer: D
A catalyst is a substance that alters the reaction and doesn't involve in the reaction.So if the Manganese was a catalyst the mass would not have decreased,it would just continue aletring the reaction until its used up.
The Manganese is not acting as a catalyst
The answer is:
False.
Why:
Communist believe in taking things by forceful means not peaceful.
Dictatorship.
true is the answer hope this helps
