The solution of Western Europe's environmental problems must consider a number of factors. In 3 to 5 sentences, explain how urbanization has affected this area and methods to deal with its adverse effects.

Iii-eneral sciencewhich of these is the best explanation of how a smooth round stone became smooth? a continuous freezing and thawingbvolcanic actioncit fell off the side of a cliffdit was in a stream for a long time.