List three reasons why estuaries and coastal wetlands are important.
What will be an ideal response?
Possible answers include:1. Provide nursery grounds for marine fish and shellfish.2. Filter/absorb toxic pollutants3. Filter/absorb excess plant nutrients.4. Filter/absorb sediments.5. Provide food for various species.6. Provide habitats for various species.7. Reduce storm damage.8. Reduce coastal erosion.
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The per capita ecological footprint is the total ecological footprint for a given country or area.
Answer the following statement true (T) or false (F)
How are the principles of lateral continuity and superposition related?
A) They help to understand the processes that obstructs sedimentary layers. B) They help to extend relative age relationships over larger areas. C) They help to understand cross-cutting relationships. D) They help to show that sediment tends to accumulate in horizontal layers.
According to Darcy's Law, hydraulic gradient:
a. increases in the direction of flow b. decreases in the direction of flow c. remains constant d. must exist for flow to occur
________ was (were) never proposed as evidence supporting the existence of Pangaea
A) Similar fossils on different continents B) Geometrical fit between South America and Africa C) Islands of Precambrian rocks along the Mid-Atlantic Ridge D) Late Paleozoic glacial features