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
Hannibal occupied much of Italy for 15 years, but was unable to march on Rome. An enemy counter-invasion of North Africa forced him to return to Carthage, where he was decisively defeated by Scipio Africanus at the Battle of Zama. After the war, Hannibal successfully ran for the office of sufet.
Hope this helped!
Lyndon Johnson was a southerner with an undistinguished record on racial matters. Therefore, many Americans were surprised that he supported the Civil Rights Act of 1964.
i like how he help pull us out of the great depression but i still don't like some of his polices and political views
Answer:
Judicial Review
Explanation:
Judicial Review is the right the the Supreme Court has to declare an act unconstitutional. It is not in the constitution
