You are helping to plan a dam on a large river that enters the sea. Explain why you should be concerned about the viability of a beach resort 5 kilometers from the mouth of the river
What will be an ideal response?
Answer: The dam will trap sediment which would have gone to the sea. It is this sediment moving longshore which is a source of nourishment for nearby beaches. The change in sedimentation might actually make the beach's sediment balance negative. In that it is a resort beach, beach would start to disappear. Eventually, the beach would need to be nourished from another source if the money could be found to do so.
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A city park and a freshwater lake are examples of ____________________ that are vulnerable to non-native species and pollution.
Fill in the blank(s) with the appropriate word(s).
All of the high-level nuclear waste generated at nuclear power plants in the U.S. since the 1950s is stored at a permanent, central facility.
Answer the following statement true (T) or false (F)
When an unfortunate bug splatters on the windshield of a moving car, which quantity experiences the same change?
A. acceleration. B. speed. C. both of these D. none of the above
What term describes the number of different species in a given area?
A. speciation B. species evenness C. species niche D. species richness E. habitat