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<p style="line-height:2.1; margin:0 0 1.25rem;">&lt;hr /&gt;</p>
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<p style="line-height:2.1; margin:0 0 1.25rem;">&lt;ul&gt;<br />
 	&lt;li&gt;&lt;a href=&quot;https://www.youtube.com/watch?v=wXEjJSALaCU&quot; target=&quot;_blank&quot; rel=&quot;noopener&quot;&gt;&lt;span style=&quot;color: #0000ff;&quot;&gt;المصدر1&lt;/span&gt;&lt;/a&gt;&lt;/li&gt;<br />
 	&lt;li&gt;&lt;a href=&quot;https://www.quora.com/What-would-happen-if-the-amount-of-oxygen-in-Earths-atmosphere-was-doubled-instantly&quot; target=&quot;_blank&quot; rel=&quot;noopener&quot;&gt;&lt;span style=&quot;color: #0000ff;&quot;&gt;المصدر2&lt;/span&gt;&lt;/a&gt;&lt;/li&gt;<br />
 	&lt;li&gt;&lt;a href=&quot;https://www.quora.com/What-if-the-world-lost-all-its-atmospheric-oxygen-O2-for-5-seconds?redirected_qid=572011&quot; target=&quot;_blank&quot; rel=&quot;noopener&quot;&gt;&lt;span style=&quot;color: #0000ff;&quot;&gt;المصدر3&lt;/span&gt;&lt;/a&gt;&lt;/li&gt;<br />
&lt;/ul&gt;</p>
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