Energy, which causes the built up pressure. :)
Answer: lets just say left boxes are A and right boxes are B, A1 would go to B1, A2 would go to B3, A3 would go to B2, and A4 would go to B4.
hope it helps! :)
Federalism, or the dual roles of state and national government, is part of the system of sharing power in government. Within the system of separate powers, however, the framers of the Constitution provided for "national" or "federal" supremacy. This meant that the national government was supreme in regards to many issues in relation to state governments, as enumerated by the Constitution.
The modern process is named after its inventor, the Englishman Henry Bessemer<span>, who took out a </span>patent<span> on the process in 1856.</span><span> The process was said to be independently discovered in 1851 by the American inventor </span>William Kelly,<span> though there is little to back up this claim.</span>
