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
Answer: the massacre of Jamestown colonists
Explanation:I just got it right on edj.
Answer:
the earliest known inhabitants of Japan, named for the cord pattern of their pottery: Jomon
who were the original inhabitants of Japan: Ainu
hope that helped ya a little ;)
Answer:The AFL believed that a union representing unskilled workers would reduce its strength.
Explanation: