<h2>
<em><u>air</u></em><em><u> </u></em><em><u>pollution</u></em><em><u> </u></em></h2>
Explanation:
<h3><u>I</u><u> </u><u>don't</u><u> </u><u>know</u><u> </u></h3>
Answer:
Europe remains a region composed of many distinct cultural regions due to its unique geography.
Explanation:
Europe's physical geography, conditions and sources, and human geography can be analyzed independently. Europe's rich agrarian and manufacturing variety has presented the continent a hotbed of commerce and trade for centuries. It is centrally established between the couple other “Old World” regions, Africa and Asia.
Answer:Immediate threats to conservation of biodiversity
