Answer:
The present greatest problem for Eastern Europe is water quality.
The <span>natural formation that divides France from Germany is: The Rhine river
Rhine River has the length around 1,233 Kilometers and flows through 6 countries in Western Europe and divides three of those nations, Switzerland, France, and Germany.</span>
Clouds can cover up the sun, which is the natural source for heat everywhere. When the sun is not in sight, or thickly covered by clouds, this limits the suns radiation and heat waves therefore causing less light and heat.
A. Belgium, France, and Germany
Hope this helps! :))