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Mount Rushmore is a great monument honoring U.S. presidents.
A. after having cowpox they where immune to smallpox HOPE THIS HELPS
Blue whale is the biggest animal in the world
electronic beams
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The uncertainty principle<span>, also known as </span>Heisenberg's uncertainty principle<span>, is any of a variety of mathematical inequalities asserting a fundamental limit to the precision with which certain pairs of physical properties of a particle, known as complementary variables</span>
