1. Why was Yellowstone America’s first National Paark? A. Because it is a superv
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Question
1. Why was Yellowstone America’s first National Paark?
A. Because it is a supervolcano
B. Yellowstone’s location was not within any state boundaries and therefor needed to be “protected” by the US Government
C. Because it contains the world’s largest concentration of hydrothermal features
D. it wasn’t, Yosemite was America’s first National Park.
2. Which of the following is not a common rock forming mineral?
A. Quartz
B. Olivine
C. Feldspar
D. Halite
3. Joshua Tree NP is located in the Great Plains province and volcanism that formed the monzogranites is related to the Rio Grande Rift.
A. True
B. False
4. The monzogranite of Joshua Tree National Park are great example of a :
A. felsic extrusive rock deposit
B. a mafic igneous rock deposit
C. plutonic rock
D. none of the above
Explanation / Answer
1. Why was Yellowstone America’s first National Park?
answer) C. Because it contains the world’s largest concentration of hydrothermal features.( it has more than 10,000 hydrothermal features). =================ANSWER)
2. Which of the following is not a common rock forming mineral?
answer) D) Halite =================ANSWER)
Various rock forming minerals are Quartz Olivine Feldspar that have fixed structure and chemical composition.
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