What is the main way by which ions are removed from soils?
A. Transport
B. Organic activity
C. Leaching
Answer: C
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One watt of power is equivalent to
A. 1 N/s. B. 1 J/s. C. 1 kg?m/s. D. all of the above
Matching
a. functional diversity c. ecological diversity b. genetic diversity d. species diversity 1. Caribbean snails of the same population exhibit a variety of shell colors and banding patterns. 2. Coastal states in the United States typically have more ecosystems than land-locked states. 3. Some tropical forests contain thousands of producer species. 4. Nutrients typically cycle much faster in tropical areas than in polar areas. 5. Estuaries and wetlands have very high primary productivity. 6. Coral reefs are known for their very high number of species. 7. Areas with both mountain ranges and coastal ecosystems have high diversity. 8. An early fox population evolved into the grey fox and arctic fox.
A lake classified as oligotrophic has high nutrient content
Indicate whether the statement is true or false
A glacial outburst flood typically originates from a lake
a. True b. False