The Aswan High Dam was built to regulate and control the annual flooding of the Nile River in order to protect crops and property from such uncontrolled flooding and to generate electricity. Most of its effects have been positive but several environmental effects are:
- Water-logging: because of the continuous high levels of water, the soil around the area is saturated with water, which prevents oxygenation of the soil that is essential to several plants and crops.
- Salinization of soils: caused by the inability of water-saturated soils to absorb salt, it is toxic to crops and damaging to infrastructures.
- Soil Erosion: it is a consequence of soil salinization as crops die and are unable to hold the soil in place.
There were also other negative effects such as:
- Archeology: two important archeological sites of Ancient Egypt were flooded and covered by the dam waters: the ancient cemetery of Fadrus and the Buhen fort.
- Loss of sediment: the annual flooding carried an enormous amount of sediment that is now trapped within the resulting Lake Nasser. Many of these sediments were used by local industries to manufacture bricks and they lost access to this renewable source of raw materials.
- More expensive and difficult purification of water: because the water does not move as much it is more transparent and allows the sunlight to penetrate deeper. This, combined with the trapped sediments has increased the growth of algae that have proliferated to the point that water purification is more and more expensive due to the necessary removal of this plant.
Answer:
The leaders of the Progressive Era worked on a range of overlapping issues that characterized the time, including labor rights, women's suffrage, economic reform, environmental protections, and the welfare of the poor, including poor immigrants. They improved the lives of individuals and communities. Regulations that progressive groups helped to enact still shape government and commerce today, including food safety requirements, child labor laws, and the normalization of the eight-hour workday. The Sixteenth Amendment established a federal income tax, the Seventeenth Amendment allowed for the direct election of Senators, the Eighteenth Amendment prohibited sales of alcohol, and the Nineteenth Amendment guaranteed women the right to vote.
Explanation:
Hello K12 student Knigry!
Your answer is D. Ronald Reagan. I am 100% Sure!
Ronald Reagan was <span>the oldest candidate ever elected push for large tax cuts for wealthy and attempt to stimulate economic growth for all.
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The system kept many farmers in debt to merchants and banks.
Asoka's greatest influences over his empire during her reign as a <span>Mauryan emperor are the following:
</span>*Sickened by war, he converted to Buddhism and urged missionaries to go into neighboring countries.
<span>*The first written literature in India was produced.
*He ruled his empire with Buddhist principles.
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<span>Ashoka was an Indian emperor of the Maurya Dynasty who ruled almost all of the Indian subcontinent from c. 268 to 232 BCE.
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