Why was the Oosterscheldekering built as an open barrier that only closes in storms?
Answer and explanation
Correct answer: C. To keep tidal water flowing so the estuary's ecology and shellfish industry were kept
- Step 1: The barrier was completed in 1986. Step 2. Protests led to an open design that preserves the tides. Answer: to preserve the tide and ecology. Why not the others: The barrier does not close the estuary, does not block Rotterdam and was not chosen to save cost.
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