If you eat soap for 2 months and swallowing it what would happen? (a boy in my school does this) my friends say that you would die but he's still alive

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