A dialysis machine<span> replaces your kidneys when you can longer properly use them.
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Why the US won the space race?
Conclusion of the Space Race. By landing on the moon, the United States effectively “won” the space race that had begun with Sputnik's launch in 1957. For their part, the Soviets made four failed attempts to launch a lunar landing craft between 1969 and 1972, including a spectacular launch-pad explosion in July 1969.
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Explanation:
Definition: a policy or system of segregation or discrimination on grounds of race.
Examples: Nelson madela
