This is because iron is more reactive than copper in the metal reactivity series.
Answer: B. 3
Explanation:
Legislative—Makes laws (Congress, comprised of the House of Representatives and Senate)
Executive—Carries out laws (president, vice president, Cabinet, most federal agencies)
Judicial—Evaluates laws (Supreme Court and other courts)
Answer: Most likely the industrial revolution.
Explanation: The use of machines in production became more and more prevalent, eventually many factories were built in cities which caused pollution therefore making the air gross.
In his second term, Jackson stopped putting federal money into the Bank of the United States. Instead, he put the money into state banks. The bank president, Nicholas Biddle, fought with all his power to keep the bank open. He demanded that borrowers immediately repay their loans.