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Consider a spaceship that moves away from you at half the speed of light.It fires a probe,also away from you,at half the speed of light relative to the spaceship.Relative to you,the probe moves at
Socioeconomic Classes
Categories of people living together in a society who have a similar level of wealth, education, and occupational prestige.
Down Syndrome
A genetic disorder caused by the presence of an extra chromosome 21, characterized by physical growth delays, characteristic facial features, and varying degrees of intellectual disability.
Extra Chromosome
An additional chromosome in the genetic makeup of an individual, which can lead to developmental abnormalities or genetic disorders, such as Down syndrome.
Mildly Intellectually Disabled
Describes individuals with below-average cognitive ability, often characterized by limitations in intellectual function and adaptive behavior.
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