Four of the following are ecosystem services of rivers. Select the exception.
A. delivers nutrient to seas to help sustain fisheries
B. purifies water
C. renews and renourishes wetlands
D. removes silt that accumulates in deltas
E. provides habitats for wildlife
Answer: D
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Which of the following is not an effect of climate change in the oceans?
A) Decreasing ocean acidity B) Increasing ocean temperatures C) Increasing hurricane intensity D) Changes in deep-water circulation E) Melting of polar ice
If a stream-cut canyon is deep and narrow, which of the following is most likely to be true?
A) Rocks in the canyon walls are relatively hard and easy to erode. B) The stream is probably close to its base level. C) Downcutting is occurring faster than widening. D) The stream contains mostly small clasts, such as silt.
What can be determined by looking at Figure 13.14?
A) The areas of higher elevation were once buried by glaciers. B) Areas that are now sinking under the sea once bulged up because of flexural isostasy. C) Areas that are above sea level are growing and areas that are below sea level are sinking. D) Eastern North America was once completely covered by glaciers.
Over 100 years ago, nearly 75% of waste made up from residential homes in New York City was ________
A) plastics B) food waste C) paper D) wood E) coal ash