4. In Florida, limestone mining produces over 153 million tons of products a year, including concrete, asphalt, and cement. Which of the following best describes how limestone mining should be handled in Florida? A. It should be restricted, because some people have a toxic reaction to limestone products. B. It should be restricted, because there is only a limited amount of limestone available. C. It does not need to be restricted, because new deposits of limestone can be discovered and used. D. It does not need to be restricted, because limestone can be easily replaced as sediment is compacted. Explanation:

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