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width="100%"><!--Subjects and Skills--><tbody><tr><td colspan="2"><h2>Subjects</h2></td><td><h2>Skill Development</h2></td></tr><!--List: Subjects and Skills--><tr valign="top"><td><ul><li><a href="/homework-help/geography/homework-center-geography" title="Geography">Geography</a></li><li><a href="/homework-help/history/homework-center-history" title="History">History</a></li><li><a href="/homework-help/homework-and-hwenglish/homework-center-language-arts" title="Language Arts">Language Arts</a></li></ul></td><td><ul><li><a href="/homework-help/mathematics/homework-center-mathematics" title="Mathematics">Mathematics</a></li><li><a href="/homework-help/science/homework-center-science" title="Science">Science</a></li><li><a href="/homework-help/social-studies/homework-center-social-studies" title="Social Studies">Social Studies</a></li></ul></td><td><ul><li><a href="/homework-help/writing-skills/homework-center-writing" title="Writing">Writing</a> | <a href="/homework-help/research-skills/research-skills" title="Research">Research</a></li><li><a href="/homework-help/speaking-listening-skills/speaking-listening-skills" title="Speaking and Listening">Speaking &amp; Listening</a></li><li><a href="/homework-help/speaking-and-listening-skills/homework-center-study-skills" title="Studying">Studying</a></li><li><a href="/homework-help/faq/career-resources">Career Resources</a></li></ul></td></tr><!--Reference Sources--><tr><td colspan="3" style="border-left:1px solid #cde;border-right:none;"><h2>Reference Sources</h2><!--List: Reference Sources (Browse and Search)--><p>Browse: <a href="/almanac/fact-monster-almanac-search-page" title="Almanacs">Almanacs</a>, <a href="/world/countries/chad" title="Atlas">Atlas</a>, <a href="/dictionary/fact-monster-dictionary-search-page" title="Dictionary">Dictionary</a>, <a href="/encyclopedia" title="Encyclopedia">Encyclopedia</a>, <a href="/people/biographies-presidents-athletes-artists-more" 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href="/math-science/weights-measures/conversion-calculator" title="Conversion Calculator">Conversion Calculator</a></li><li><a href="/world/countries/chad" title="Conversion Calculator">Chemistry Place</a></li><li><a href="/periodictable.php" title="Periodic Table">Periodic Table</a></li></ul><h4>Geography:</h4><ul><li><a href="/atlas/calculate-distance" title="Calculate Distance">Calculate Distance (U.S. locations)</a></li><li><a href="/atlas/latitude-longitude" title="Calculate Distance">Find Latitude and Longitude</a> (U.S. locations)</li></ul><h4>Math:</h4><ul><li><a href="https://www.factmonster.com/math/flashcards" title="Math Flashcards">Math Flashcards</a></li><li><a href="https://www.factmonster.com/math/roman" title="Roman Numeral Challenge">Roman Numeral Challenge</a></li></ul><!--Forms--><div id="HCforms"><!-- Year, History, Birthdays Forms List --><h3>History &amp; Current Events:</h3><ul><li style="padding-top:4px;"><strong><a href="/yearbyyear" title="Year by Year: 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