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Author Question: What rare-earth element is essential in the production of permanent magnets for hybrid-vehicle ... (Read 110 times)

2125004343

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on: Jun 19, 2018
What rare-earth element is essential in the production of permanent magnets for hybrid-vehicle motors?
 
 

a. Tantalum c. Niobium
  b. Neodymium d. Chromium



Question 2

Alternative energy generally is considered to provide substitutes for what current modes of energy?
 
 

a. Petroleum liquids and electricity generators c. Liquid hydrogen and liquid nitrogen
  b. Dilithium and trilithium crystals d. Solar energy and wind energy
 
 



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elizabethrperez

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Reply #1 on: Jun 19, 2018
Answer to Question 1

ANS: B
Neodymium is essential for this process, with most of the current stock produced in China.



Answer to Question 2

ANS: A
Petroleum liquids like fossil fuels and electricity generators like nuclear power plants would be replaced by alternative energy.



2125004343

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Reply #2 on: Jun 19, 2018
Thank you!


elizabethrperez

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Reply #3 on: Jun 19, 2018
Happy to help


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