Mrs. Clark decides to do a demonstration for her class with a piece of notebook paper.Using a balance, Mrs. Clark discovers that the mass of the paper is 20 g.<span> She then takes the piece of paper and cuts it into several small pieces.</span><span> The cumulative mass of the small pieces is 20 g.</span><span> What has Mrs. Clark demonstrated for her class?</span><span>
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Answer:
The correct answer is: European imperialism brought about many changes in the African continent. Europeans forced Africans to grow cash-crops. This way of growing crops benefited Europeans. ... They also produced a surplus of food, which was used for export and not to satisfy the needs of the starving African people.
45 million people were worked, starved, or beaten to death in China over a period of 4 years.