The Mongols set up a tribute empire called The Golden Horde. Serfdom arose as peasants gave up their lands to the aristocracy in exchange for protection from the Mongols. Moscow benefited financially by acting as a tribute collector for the Mongols. Mongol rule kept Russia culturally isolated from Western European trends such as the Renaissance.
Answer:
Though there is no lake or river flowing through Sam's region,
Explanation:
Environmental quality refers to the features and the properties which are ideal for a good environment. The characteristics may be either in a generalized tone or in the local aspect. These characteristics help in maintaining the life of living organisms. The quality of air, water, and sound can be stated under the features of environmental quality.
In the given passage, the quality of air in Sam's region meets good environmental quality. On the other hand, the region does not have any lake or river. Since any water body is absent, therefore, the given sentence depicts the poor environmental quality.
The great rift valley was formed by violent subterranean forces that tore apart the earth's crust. These forces caused huge chunks of the crust to sink between parallel fault lines and force up molten rock in volcanic eruptions.
Streams flowing from mountainous terrain commonly flow across alluvial fans at the edges of the valleys. ... In arid and semiarid regions, seepage of water<span> from the stream can be the principal </span>source<span> of aquifer recharge.</span>
