Humans or other land animals sleep half unconscious and water animals don't
Answer: The life in urban areas is fast and complicated, whereas rural life is simple and relaxed.
Explanation:
Answer: Civilization
Explanation: A civilization is any complex society characterized by urban development, social stratification, a form of government and symbolic systems of communication such as writing.
Answer:
Explanation:
Beneath the soil, the islands are composed of limestone rock and skeletal remains of coral fossils and other marine organisms. There are no rivers, but several islands—particularly New Providence, San Salvador (63 square miles [163 square km]), and Great Inagua—have large lakes.
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