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2024年4月19日 · Wastewater treatment, the removal of impurities from wastewater before it reaches aquifers or natural bodies of water. Wastewater treatment is a major element of water pollution control. Learn more about the types of wastewater treatment systems, the technologies used, and the history of treating wastewater.
As the head of the government of the United States, the president is arguably the most powerful government official in the world. The president is elected to a four-year term via an electoral college system. Since the Twenty-second Amendment was adopted in 1951, the American presidency has been
Kiribati and Tuvalu were formerly joined as the Gilbert and Ellice Islands Colony. The name Kiribati is the local rendition of Gilberts in the Gilbertese, or I-Kiribati, language, which has 13 sounds; ti is pronounced /s/ or like the word see —thus Kiribati, pronounced “Ki-ri-bas.”.
3 天前 · YouTube, social media platform and website for sharing videos. It was registered on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim, three former employees of the American e-commerce company PayPal. They had the idea that ordinary people would enjoy sharing their “home videos.”. The company is headquartered in San Bruno ...
- William L. Hosch
One of history’s darkest chapters, the Holocaust was the systematic killing of six million Jewish men, women, and children and millions of others by Nazi Germany and its collaborators during World War II (1939–45).
2024年5月26日 · Amino acid, any of a group of organic molecules that consist of a basic amino group, an acidic carboxyl group, and a unique organic side chain. The term amino acid is short for α-amino [alpha-amino] carboxylic acid. Examples of amino acids include glycine and threonine.
2024年5月27日 · Reformation, the religious revolution that took place in the Western church in the 16th century. Its greatest leaders undoubtedly were Martin Luther and John Calvin. Having far-reaching political, economic, and social effects, the Reformation became the basis for the founding of Protestantism, one of the three major branches of Christianity.
