In an initiative, the source of the law is

All of them

Explanation:

The initiative of the laws is based on any member or Commission of the House of Representatives, the Federal Senate or the National Congress, the President of the Republic, the Federal Supreme Court, the Superior Courts, the Attorney General and the citizens, in the form and in the cases provided for in the Constitution.

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.