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An American nuclear family composed of the mother, father, and their children, c. 1955. A nuclear family (also known as an elementary family, atomic family or conjugal family) is a family group consisting of parents and their children (one or more), typically living in one home residence.
The decline of dependency on agricultural subsistence, which results in a weakening of extended family ties, is seen as another cause of nuclear, neolocal household creation. [4] A particular case study of the relationship between economic development and neolocal residence patterns is the community of Navajo Mountain, which showed a positive ...
Ara Pacis showing the imperial family of Augustus Gold glass portrait of husband and wife (Biblioteca Apostolica Vaticana, Museo Sacro). The ancient Roman family was a complex social structure, based mainly on the nuclear family, but also included various combinations of other members, such as extended family members, household slaves, and freed slaves.
As of 1993, worldwide, 520 atmospheric nuclear explosions (including eight underwater) have been conducted with a total yield of 545 megatons (Mt): 217 Mt from pure fission and 328 Mt from bombs using fusion, while the estimated number of underground nuclear tests conducted in the period from 1957 to 1992 is 1,352 explosions with a total yield ...
On this day in 1957, the first underground nuclear test was carried out at the Nevada Test Site, a 1,375 square-mile research center located 65 miles away from Las Vegas.The 1,7 kiloton nuclear ...
The United States opened the nuclear era in July 1945 with the test of a 20-kiloton atomic bomb at Alamogordo, New Mexico, in July 1945, and then dropped atomic bombs on the Japanese c
In 2012, the head of AP Grading, Trevor Packer, stated that the reason for the low percentages of 5s is that "AP World History is a college-level course, & many sophomores aren't yet writing at that level." 10.44 percent of all seniors who took the exam in 2012 received a 5, while just 6.62 percent of sophomores received a 5.
MOSCOW (AP) — Russian President Vladimir Putin on Thursday delivered a blunt message to the West, warning that it risks provoking a global nuclear war if it expands its involvement in the ...