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Canada's climate is not really cold all year in winter, the temperature falls below freezing point, that's the time when it's really cold. And on the summer, the southern province often experience humid weather, and temperature that can surpass over 30 Celsius. It kind of depends on "where" in Canada you're referring to.
In 1896, in the case of Plessy v. Ferguson, the Supreme Court declared the "separate but equal" doctrine. It upheld the rights of governments to set up separate schools and separate public facilities for blacks and whites so that blacks and whites could be "equal." However, they were far from equal.
Answer:
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He was famous for discovering the real orbit of the planets and many others