Polecamy Artykuły Nowości
Gdy nauczyciel zgłasza nieprzygotowanie…
W pracy każdego nauczyciela jest taki dzień, kiedy staje przed klasą na lekcji i ma świadomość, że jest dzisiaj nieprzygotowany. Nieważne, jakie są przyczyny: przeciągnięty do późnej nocy powrót z długiego weekendu, przygotowanie kinderbalu…
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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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mso-bidi-theme-font:minor-bidi;mso-ansi-language:PL;mso-fareast-language:EN-US;
mso-bidi-language:AR-SA">Fot. Jan Kalabiński</span><!--[if gte mso 9]><xml>
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Po długiej i mroźnej zimie, wiosną przyroda w Arktyce budzi się do życia. Trwająca nawet kilka miesięcy noc polarna ustępuje polarnemu dniowi, słońce wędruje coraz wyżej nad horyzontem, a jego ciepło zaczyna roztapiać śnieg i lód.