1.if sound waves make sound then what waves make our eyes able to see the videos? 2. if the core is hot as the sun then doesn't that mean that core comes from the sun and how are we surviving on earth because shouldn't it melt everything?
3. how many people were on earth first and how many people have died and been born up until now?

the federal government of the united states was established by the constitution. us is a presidential republic. the president is head of state, head of government and of a two party legislative and electoral system. the supreme court balances the powers of the federal and the state government. yhe executive branch is headed by the oresident. there are two chambers of congress, the senate and the house of representatives. judicial power is exercised by the judicial branch (or judiciary), comprised of the supreme court and lower federal courts. the judiciary's function is to interpret the   constitution as well as the federal laws and regulations.

answer; one person; monarch;

answer; sociological imagination;