Vegetation may
A. increase slope stability by taking up moisture.
B. increase slope stability because roots help hold soil in place.
C. decrease slope stability by adding weight.
D. Any one of the scenarios.
Answer: D
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The likelihood that a flood of given size or greater will happen at a specific locality during any given year is called:
a. Recurrence interval b. extreme probability c. annual probability d. flooding index
Which of the following is true?
A) Clouds only cool the surface by reducing insolation. B) Clouds only warm the surface by absorbing and reradiating longwave radiation back to Earth C) Clouds can both cool and warm Earth by absorbing insolation and absorbing and reradiating longwave radiation. D) Clouds are a neutral factor in cooling and warming of Earth. E) While clouds do absorb some incoming radiation, this is mostly negligible.
Which of the following is a topic of research in conservation biogeography?
A) The distribution and effects of invasive species. B) The effects of climate change on biodiversity. C) Conservation planning and the establishment of protected areas. D) Invasive species, climate change, and conservation planning are all topics of research in conservation biology.
Tertiary treatment of sewage produces water that is typically used for
A. Agriculture B. Drinking C. Watering livestock D. Industrial activities E. Dumping into freshwater systems