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4th Grade Science · Flashcards
4TH GRADE SCIENCE · FLASHCARDS
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QUESTION
What is the safest long-term solution for repeated flooding in the same low area?
QUESTION
What is the main purpose of a seawall?
QUESTION
What is the purpose of a retaining wall on a hillside near homes?
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ANSWER
To hold back soil and reduce slope failure. Retaining walls support hillsides and prevent landslides.
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