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The DBMS keeps several copies of ____________________ to ensure that a disk physical failure will not impair the DBMS's ability to recover data.
Sexual Education
The comprehensive teaching of sexual health topics, including anatomy, reproduction, sexual behavior, relationships, and safe sex practices, intended primarily for adolescents.
Eradicated
Completely destroyed or removed; often used in the context of eliminating a disease.
Edward Jenner
An English physician known for his pioneering work in developing the smallpox vaccine, the world's first vaccine.
D.A. Henderson
An American medical doctor and epidemiologist known for leading the World Health Organization's effort to eradicate smallpox.
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