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Nowy laser w Obserwatorium Astrogeodynamicznym…
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Ile waży kilogram powietrza?
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<p class="MsoNormal"><span style="font-size:16.0pt;line-height:115%;mso-bidi-font-weight:
bold">Fragment haczykowatych łusek okrywy koszyczka kwiatowego (popularnie nazywanego
rzepem).</span></p>
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Łopian, przydrożny chwast, stał się…
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