Author Question: Many harvested marine animals are sustainable because they are being caught below the maximum ... (Read 32 times)

elizabeth18

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Many harvested marine animals are sustainable because they are being caught below the maximum sustainable yield.
  Indicate whether the statement is true or false

Question 2

List the different types of deltas and briefly describe how the different types are classified.



skipfourms123

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Answer to Question 1

False

Answer to Question 2

The shape of a delta represents a balance between the accumulation of sediments and their removal by the ocean. The combined effects of waves, tides, and river flow determine the shape of a delta. River-dominated deltas are fed by a strong flow of freshwater and continental sediments, and they form in protected marginal seas. They terminate in a well-developed set of distributaries-the split ends of the river-in a characteristic bird's foot shape. In tide-dominated deltas, freshwater discharge is overpowered by tidal currents that mold sediments into long islands parallel to the river flow and perpendicular to the trend of the coast. Wave-dominated deltas are generally smaller than either tide- or river-dominated deltas and have a smooth shoreline punctuated by beaches and sand dunes.



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