I want to become a cardiothoracic surgeon. I am 15 years old but what can I do to prepare for this career? any feedback would be helpful. Thanks!

What is the purpose of the tenth amendment? a. to establish the electoral college b. to give each state constitution the same protection as the federal constitution c. to grant to the citizens of each state access to the federal court system powers d. to limit the power of the central government by establishing reserved powers for states and individuals