The second longest River in Europe is Volga in Russia.
The second longest River in Europe is the Danube, which flows though a number of capitals: Bratislava, Vienna, Budapest and Belgrade. It further flows to Romania, where it enters the sea.
The answer is: Danube
Answer:
the green house effect is gases such as carbon dioxide that trap the suns heat.
Explanation:
by trapping the sun's heat makes it warm enough to have life in it but ti much can cause global warming
It produces 12% of the worlds oil and has a similar share of global oil exports
