DDT accumulation disrupted calcium metabolism in the North American eagle, as well as other birds, causing
A. Thin eggshells
B. Infertility
C. Severe nerve damage
D. Adult deformities
E. All of these are correct
Answer: A
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An igneous rock with a Felsic mineral composition is rich in dark-colored minerals like pyroxene.
Indicate whether the statement is true or false.
Using the Three Gorges Dam on China's Yangtze River as an example, what are the benefits and costs associated with building dams?
What will be an ideal response?
Rivers shape the landscape by all of the following EXCEPT:
a. transporting materials and depositing them in new locations b. making valleys wider and deeper c. making valleys longer d. creating new lakes through moraine deposits
Rocks brought to the earth's surface by internal processes are worn down, and eroded by surficial processes.
Answer the following statement true (T) or false (F)