Answer:
True
Explanation:
Brown v. The Board of Education was a landmark case where the court ruled, that the segregation of public schools was unconstitutional because it violated the 14th Amendment.
<span>In terms of matter and resources, the Earth is essentially a closed system, because matter and resources are fixed.
</span>In terms of energy, the Earth is an open system, because there is a balanced transfer of energy. (The energy<span> radiates into the </span>Earth's system<span>, from the Sun and</span><span> then it is radiated back into space from the </span>Earth. The<span> flows of energy are regulated by the </span>Earth's<span> atmosphere and ozone layer.)</span>
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A shift from government-owned to privately-owned business </span><span>resulted in the collapse of the Soviet Union.
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Perestroika and social policy<span>. </span>Mikhail Sergeyevich Gorbachev<span>, the last leader of the </span>Union of Soviet Socialist Republics<span>, came to power in 1985 with a vision of reform. His </span>set up<span> for </span>the long run<span> was </span>led<span> by </span>2<span> ideas: </span>economic policy<span> and </span>social policy.<span> Gorbachev's reforms did </span>a lot <span>to hasten </span>the autumn<span> of the </span>Union of Soviet Socialist Republics<span> than they did </span>to avoid wasting<span> it.</span>
