The three most recent catastrophic Yellowstone eruptions occurred at 2.06 million, 1.29 million, and 640,000 years ago.
Answer the following statement true (T) or false (F)
True
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What will be an ideal response?
Which is not a piece of primary evidence in favor of the mantle-plume hypothesis?
A) basalt composition B) volcanic locations C) hot spot volcano types D) plate velocity
During the past 275 years, human activities have been responsible for 70% of methane emissions. Which activity is not a source of methane?
A. raising cattle and sheep B. the use of synthetic fertilizers C. extracting fossil fuels D. creating landfills E. flooding land behind large dams
The Montreal Protocol was an international environmental treaty ________
A) that was not approved by the U.S. because many lawmakers did not believe in global climate change B) whose goal was to protect the ozone layer C) whose goal was to ban the proliferation of nuclear weapons D) that banned the sale and export of products made of ivory E) that banned the sale and export of invasive species