the South Australian border.
<span> The </span>Great Rift Valley<span> was </span>formed<span> by huge subterranean forces that tore the earth's crust apart, causing chunks of the crust to sink into the earth.
Therefore, #1. Volcanic activity and tectonic movement. </span>
There are several indicators which are utilized for good water quality. When considering PH, ideal levels need to be between 6.5 and 9.0. Dissolved oxygen also needs to be high in order to allow animals to breath. Ideally the answer would be extremely low amounts of fecal coliform. Although there may be some present, low levels is considered to be an acceptable level.
The effects are altered political alliances, changed European borders, reduced the number of communist nations
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<u>Explanation</u>:
- Altered political alliances; big portion of the countries that emerged as a product of the fall of the USSR immediately were oriented towards the west, mainly the EU and NATO, and since both of this organizations were eager to spread their influence and weaken Russia as much as possible, they gladly took this countries under their wing.
- changed European borders:
Multiple countries were formed, due to the fall of the USSR so a big change was witnessed in the border changes in Eastern Europe.
- Reduced the number of communist nations:
After the fall of the USSR, the countries that were once members of it changed their systems completely and turned towards market economies and democracy.
Answer:
The correct answer is Levittown.
Explanation:
Levittown is <u>the first major suburb that served as a model for the next suburbs generated after the war.
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It is a village located in the city of Hempstead in New York and was created by Abraham Levit, who later considered himself the father of the suburbs.
It has more than <u>17,000 single-family houses</u>, and until 2000 it had <u>53 thousand inhabitants.
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Levittown was the salvation for many of the families that after World War II had to live in shelters, vans or chicken coops. And although it started as a commercial project, it ended up being the largest suburb and the first one that existed.