True or False: Plutonic and metamorphic rocks are particularly susceptible to oxidation reactions when they are exposed on Earth's surface
Indicate whether this statement is true or false.
Answer: TRUE
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Which statement best describes the current state of environmental laws in the United States?
A. There has been a growing effort to weaken laws designed to protect the environment since 2000. B. Environmental laws are well accepted by most of the corporations that are regulated by them. C. Politicians are willing to work across party lines to protect the environment even when they will not do so to address other issues. D. There is strong support for strengthening existing laws and implementing new ones. E. Because they have failed so often, legislative attempts to halt environmental damage have been abandoned.
As they migrate, meandering streams erode their out outside banks, often forming a narrow neck of land that eventually erodes through and forms a ________ and the stream becomes ________
A) cutoff; straighter B) meander scar; narrower C) cutback; more sinuous D) point bar; wider
Crater Lake, Oregon, is a remnant of a larger volcano named ________
A) Mount St. Helens B) Paricutin C) Mount Whitney D) Mount Mazama E) Mount McKinley
Now compare fertilizer use in 1960 to fertilizer use in 2000. Express the year 2000 N fertilizer use as a percentage of N fertilizer use in 1960. (2)
a. 67% b. 7% c. 15% d. 667%