Because shales are easily eroded, the areas where they are exposed typically
A. form steep cliffs.
B. are covered in angular boulders and cobbles.
C. have soft slopes and soil cover.
Answer: C
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Human activity has affected every aspect of the nitrogen cycle. List the ways that humans have altered nitrogen content starting with how nitrogen becomes available to producers, where it goes, and what impacts it has
What are the ecological concerns regarding the dramatic changes people have made in the global nitrogen cycle?
____________________ are relatively straight features cutting across a mosaic
Fill in the blank(s) with correct word
Why is the dump-and-cover approach used in sanitary landfills called the "cell" method?
a. because, if it is misused, you will be thrown in jail b. because it handles chemical reactions in the fill at the cellular level c. because it isolates waste in cell-like compartments d. because the pattern of dumping is circular e. because of the way the waste is attenuated
Explosive eruption is a violent eruption (i.e., explosion) mainly due to:
a. high temperature b. high pressure c. closest to Earth surface d. large volume