Distinguish between eutrophic and oligotrophic oceans. Where would you expect to find eutrophic areas in the ocean? Oligotrophic areas?
What will be an ideal response?
Eutrophic parts of the ocean have high chlorophyll concentrations meaning that they are highly productive areas. In general, eutrophic waters are naturally found in shallow-water coastal regions, areas of upwelling, and high-latitude regions. Areas of low chlorophyll concentration (low productivity) are called oligotrophic and are found in the open oceans of the tropics.
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In cogeneration systems
A. both heating and cooling are produced. B. both coal and oil are used. C. use a battery in case the main system fails. D. two useful forms of energy are produced from the same fuel source. E. heat from the earth is used to produce electricity.
Describe the construction and problems of medium-range forecasts. Include discussion of ensemble forecasting and the role of chaos
What will be an ideal response?
Hillslopes typically are static systems
Indicate whether the statement is true or false
Which of the following is NOT accurately dated at between 4 and 4.6 billion years old?
A. the oldest dates on mineral grains on Earth B. isotopic ages on Earth's oldest known fossil shell C. age of the oldest meteorites D. age of moon rocks returned to Earth and dated