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The Selective Service System (SSS) is an independent agency of the United States government that maintains a database of registered male U.S. citizens and other U.S. residents potentially subject to military conscription (i.e., the draft). Although the U.S. military is currently an all-volunteer force, registration is still required for ...
Open textbook. An open textbook is a textbook licensed under an open license, and made available online to be freely used by students, teachers and members of the public. Many open textbooks are distributed in either print, e-book, or audio formats that may be downloaded or purchased at little or no cost.
Russian Language and Culture (discontinued 2010) v. t. e. Advanced Placement (AP) Biology (also known as AP Bio) is an Advanced Placement biology course and exam offered by the College Board in the United States. For the 2012–2013 school year, the College Board unveiled a new curriculum with a greater focus on "scientific practices".
The Selective Service Act of 1948 was originally intended to remain in effect for two years (i.e., until June 24, 1950), but was extended multiple times, usually immediately before its two-year period of effectiveness was due to expire. Provisions of the law relating to the authority to induct men into the military expired on July 1, 1973.
Evolutionary pressure, selective pressure or selection pressure is exerted by factors that reduce or increase reproductive success in a portion of a population, driving natural selection. [1] It is a quantitative description of the amount of change occurring in processes investigated by evolutionary biology , but the formal concept is often ...
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Advanced Placement (AP) examinations are exams offered in United States by the College Board and are taken each May by students. The tests are the culmination of year-long Advanced Placement (AP) courses, which are typically offered at the high school level. AP exams (with few exceptions [ 1 ]) have a multiple-choice section and a free-response ...
Eugenics, the set of beliefs and practices which aims at improving the genetic quality of the human population, [ 1 ][ 2 ] played a significant role in the history and culture of the United States from the late 19th century into the mid-20th century. [ 3 ]