Uranium because it is a <span>fuel that is assembled in such a way that a controlled fission chain reaction can be used. The heat created by splitting the U-235 atoms is then </span>used<span> to make steam which spins a turbine to drive a generator, producing electricity.</span>
The correct answer is: A: The first republic to secede from county of Yugoslavia in 1990s was Slovenia. In 25 June of 1991, Slovenia declared independence, and it was internationally recognized as an independent state in 1992 by many European countries. Slovenia and Macedonia separated with out conflicts, but separation of Croatia and Bosnia and Herzegovina resulted in civil war on their territories. Today, there is six sovereign states, which were part of Yugoslavia after the WW II: Serbia, Slovenia, Croatia, Bosnia and Herzegovina, Montenegro and Macedonia.
Volcanoes on Mars resemble Hawaiian Shield Volcanoes found on Earth, meaning that the answer is D.