The two ways to show precipitation on a weather map is first through reading the air. The second way in order to present precipitation on a weather map is through the isobars. Isobars or also called nuclides are lines that have a connection to the atmospheric pressure.
Answer:
Until early 1970's the Turkish Straits were known as a rich and productive marine area. The Straits also used to play an important role as a biological corridor between the Mediterranean and the Black Sea, and acted as an acclimatization zone for the Mediterranean species.
The Tigris and Euphrates rivers provided Mesopotamia with enough fresh water and fertile soil to allow ancient people to develop irrigation and grow supplies surplus.
The role the Tigris and Euphrates river played in the development of civilization is that they enriched the soil and helped farmers grow supplies surpluses.
Explanation:
The borders of current African countries were negotiated not among the Africans, but among their imperial powers: and those powers typically did not take into account the ethic, religious and linguistic divisions. This mans that today the countries often have many minorities and that many ethnic groups are split among many countries: this is the reason for the conflicts (conflicts are often ethnic in their character)