约 2 个结果
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In a couple of sentences, describe the 3 functions suggested for ...
Alloparenting: Alloparental care is exhibited by certain animals who look after the young ones who are not their direct genetic descendants. These young ones are either their grandchildren or …
American Class System | Social Classes Types & Structure
2023年11月21日 · In the United States during the 20th century, this changed and the modern American class system came into existence. After World War II, the United States had a …