Danube River<span>, </span><span>German </span><span>Donau, </span><span>Slovak </span><span>Dunaj, </span><span>Hungarian </span>Duna,<span>Serbo-Croatian and Bulgarian </span><span>Dunav, </span><span>Romanian </span>Dunărea,<span>Ukrainian </span><span>Dunay </span><span>, river, the second longest in </span>Europe<span> after the </span>Volga<span>. It rises in the </span>Black Forest<span> mountains of western </span>Germany<span> and flows for some 1,770 miles (2,850 km) to its mouth on the </span>Black Sea<span>. Along its course it passes through 10 countries: Germany, </span>Austria<span>, </span>Slovakia<span>, </span>Hungary<span>, </span>Croatia<span>, </span>Serbia<span>, </span>Bulgaria<span>, </span>Romania<span>, </span>Moldova<span>, and </span><span>Ukraine</span>
Water and carbon dioxide are usually the most abundant gases emitted during basaltic volcanism.
The answer is True.
Many people doubt it because it's just sound too fictional.
Ring of fire located in the basin of pacific ocean, a large number of earthquake and volcano eruptions happen here.
The island arc is a string of islands formed by volcanoes along deep ocean trench.
Hope it helps
The degree of vertex D is if it is an indegree or outdegree, it is 1 degree in vertex D.