Most of the world's relief features are the result of
A. movement of tectonic plates
B. rainfall
C. piling up of wind-blown debris
D. none of the choices are correct
A. movement of tectonic plates
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A location distinguished by specific physical and cultural characteristics is a
A) place. B) space. C) site. D) situation. E) culture.
Which of the following activities have contributed the greatest amount of carbon dioxide to the atmosphere over the past 100 years?
A) Increased farming and production of grains B) Increased reliance upon coal, oil, and natural gas C) Deforestation of rain forests and other parts of the world D) Volcanic eruptions and widespread forest fires
Figure 3.18 Estimated annual average net primary productivity in major life zones and ecosystems pressed as kilocalories of energy produced per square meter per year (kcal/m2/yr).
?
Examine the accompanying figure. Notice the amount of average net primary productivity gets smaller and smaller as you move down the list of terrestrial ecosystems and, similarly, in the list of aquatic ecosystems. What is the common factor in the terrestrial system that causes the decline? What is the common factor in the aquatic system that causes the decline there?
What will be an ideal response?
HDI is function of
A) standard of living, education, and health. B) standard of living, environmental health, and democracy. C) education, health, and democracy. D) fair trade, sustainability, and education. E) low debt, education, and health.