<span>Each mineral has a defined chemical composition, and is different from oters in terms of this composition, and possess different elements. This gives different physical and chemical properties to the minerals, which are unique to each mineral.</span>
D Political
Explanation:
A region that is administered by the United States government is an example of a political region.
Answer:
Option D.
After the fall of communism, the numbers of countries in Central Europe and Northern Eurasia has increased significantly.
Explanation:
- Along with collapsing of communism, many countries started closing the economic gap between East and west part o Europe.
- The Revolutions of 1989 resulted in formation of a rebellious wave pattern during late 1980s that ended the rule of communist in the region of Central and Eastern Europe and even beyond.
- The act of dissolving the Soviet Union caused the addition or formation of new 11 countries in Eurasia.
Running water is the leading cause of soil erosion, because water is abundant and has a lot of power. Wind is also a leading cause of soil erosion because wind can pick up soil and blow it far away.
