<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[🧠 Quizzeit]]></title><description><![CDATA[<p>🧠<span> Quizzeit!<br /><br />Welche Anforderungen an die Oxidierbarkeit von Reinwasser werden gestellt?<br /><br />A) 0,2 mg/l O2<br />B) 0,3 mg/l O2<br />C) 0,5 mg/l O2<br />D) 0,75 mg/l O2<br /><br />Antwort in 15 Minuten! </span><a href="https://fedihub.space/tags/Badewissen" rel="tag">#Badewissen</a> <a href="https://fedihub.space/tags/Schwimmbad" rel="tag">#Schwimmbad</a> <a href="https://fedihub.space/tags/Freibad" rel="tag">#Freibad</a> <a href="https://fedihub.space/tags/quiz" rel="tag">#quiz</a> <a href="https://fedihub.space/tags/retoot" rel="tag">#retoot</a></p>]]></description><link>https://board.circlewithadot.net/topic/23cfa411-d5dc-49c5-9b53-2153ca4323e5/quizzeit</link><generator>RSS for Node</generator><lastBuildDate>Mon, 25 May 2026 05:35:15 GMT</lastBuildDate><atom:link href="https://board.circlewithadot.net/topic/23cfa411-d5dc-49c5-9b53-2153ca4323e5.rss" rel="self" type="application/rss+xml"/><pubDate>Sun, 17 May 2026 12:00:01 GMT</pubDate><ttl>60</ttl></channel></rss>