Answer:
Which statement describes the moment magnitude scale?
It shows only the strength of seismic waves that were produced.
We can reject answers C) and D) :those are two famous cities in Russia, and cities would be too small to take up three-forths of Russia, the biggest country in the world.
Murmansk is also a city: in the North-West of Russia, in the Arctic Circle.
So the correct answer is: Siberia
The Sahel<span> is the zone of transition, in Africa.</span>
