The answer to this question is D Social Security
Answer: Magalhaes was a 16th-century Portuguese sailor, one of the crucial people who helped to discover the true nature of the world. I suppose he was a sort of revolutionnary who questioned an old dogma about plane Earth and believed that the Earth is round.
Explanation: Magalhaes reached West Indies, discovered Philipines, travelled all around the world. He was not a theorist like Copernicus, but experienced that the Earth is round.
Sienna shift her position on the gymnasium floor because her skin and the gymnasium floor reached thermal equilibrium.
What document? I don't see no document.
Answer:
''the House and Senate frequently pass different versions of the same bill''
Conference Committees are joint committees between members of the House of Representatives and Members of the Senate. The purpose of these workgroups is to resolve disagreements over Bills, as it is common for a Bill passed by the House of Representatives to be subject to amendments by the Senate. Conference Committees produce a "compromise bill" which both houses have to pass in order for it to go to the President.