(C) limiting factors
(D) the second law of thermodynamics
(E) the Gaia hypothesis
- Soil that is transported by the wind is
(A) alluvial
(B) feral
(C) gangue
(D) rill
(E) aeolian
- Most of Earth’s land area is
(A) urban
(B) forest
(C) desert
(D) rangeland
(E) agricultural
- Cities experiencing the greatest urban growth are found in
(A) Asia
(B) Africa
(C) Europe
(D) North America
(E) both choices (A) and (B)
- Which of the following is NOT a concept designed to create a sustainable
city?
(A) Conserve natural habitats
(B) Focus on energy and resource conservation
(C) Design affordable and fuel-efficient automobiles
(D) Provide ample green space
(E) All of the above are correct.
- Approximately what percentages of the world depends upon wood or
charcoal for heating and/or cooking?
(A) Less than 10%