The modern convention of the Europe-Asia boundary (from south to north) follows the Aegean Sea<span>, the Dardanelles-Sea of Marmora-Bosporus, the </span>Black Sea<span>, along the watershed of the Greater Caucasus, the northwestern portion of the </span>Caspian Sea<span> and along the </span>Ural River<span> and </span><span>Ural Mountains
So I believe your answer would be the Aegean sea, Dardanelles sea, and the black sea.</span>
The Sydney opera house is in Australia (:
The Great Barrier Reef is the world's largest living structure. It is made up of around 2900 individual reefs and 900 islands. ... Climate change is perhaps the biggest threat to the Great Barrier Reef. Warmer ocean temperatures put stress on coral and lead to coral bleaching.