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Guallatiri is a stratovolcano in Chile that is 6,060–6,071 m (19,880–19,918 ft) high. It is located southwest of, or possibly within, the Nevados de Quimsachata volcanic group. The summit, surrounded by numerous fumaroles, may be a lava dome or volcanic plug, while the lower flanks of the volcano are covered by lava flows and lava domes.
The Civil Rights Act of 1964 ( Pub. L. 88–352, 78 Stat. 241, enacted July 2, 1964) is a landmark civil rights and labor law in the United States that outlaws discrimination based on race, color, religion, sex, [a] and national origin. [4] It prohibits unequal application of voter registration requirements, racial segregation in schools and ...
- July 2, 1964; 59 years ago
- Title 42—The Public Health and Welfare
Émilie du Châtelet (1706–1749) with a pair of compasses in her right hand. She was the first to publish the relation for kinetic energy .This means that an object with twice the speed hits four times – 2×2 – harder. (Portrait by Maurice Quentin de La Tour.) In physics, the kinetic energy of an object is the form of energy that it possesses due to its motion.
Amyotrophic lateral sclerosis ( ALS ), also known as motor neurone disease ( MND) or Lou Gehrig's disease in the United States, is a rare but terminal neurodegenerative disorder that results in the progressive loss of both upper and lower motor neurons that normally control voluntary muscle contraction. [3] ALS is the most common form of the ...
- Unknown (about 85%), genetic (about 15%)
- Neurology
- 45–75 years
The civil rights movement was a social movement and campaign from 1954 to 1968 in the United States to abolish legalized racial segregation, discrimination, and disenfranchisement in the country. The movement had its origins in the Reconstruction era during the late 19th century and had its modern roots in the 1940s, although the movement made its largest legislative gains in the 1960s after ...
A Black Lives Matter die-in over rail tracks, protesting alleged police brutality in Saint Paul, Minnesota (September 20, 2015) Black Lives Matter ( BLM) is a decentralized political and social movement [1] that seeks to highlight racism, discrimination, and racial inequality experienced by black people, and promote anti-racism.
Plate tectonics (from Latin tectonicus, from Ancient Greek τεκτονικός (tektonikós) 'pertaining to building')[1] is the scientific theory that Earth's lithosphere comprises a number of large tectonic plates, which have been slowly moving since about 3.4 billion years ago.[2] The model builds on the concept of continental drift, an ...
