Fundamental rights are our most basic birth given rights from one. human being to another.
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Any practices should best be based on a research - this is the correct answer. (a. child development and research) Research is the best source of actual knowledge, rather than people's best guesses (people's best guesses might lead government regulations, but it would be better if they also followed research results.).
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Answer:
advantages are transportation, fertile soil/irrigation, and water to drink. Disadvantages are unpredictable flooding, and lose homes/lives/crops
Explanation: