221. According to the author, why is it difficult to explain the reasons for Maya collapse?
Answer: It has not been possible to ascertain which of the factors best explains as to why the Maya civilization collapsed.
Explanation:Here is no explanation for this answer
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222. According to the passage, the drought at the time of Maya collapse had a different impact compared to the droughts earlier because
Answer: It happened when the Maya population had occupied all available land suited for agriculture.
Explanation:Here is no explanation for this answer
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223. By an anthropogenic drought, the author means
Answer: A drought caused by actions of human beings.
Explanation:Here is no explanation for this answer
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224. According to the passage, which of the following best represents the factor that has been cited by the author in the context of Rwanda and Haiti?
Answer: Various ethnic groups competing for limited land resources.
Explanation:Here is no explanation for this answer
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