Author Question: Lanthanides are rare earth elements. Indicate whether the statement is true or ... (Read 53 times)

rmenurse

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Lanthanides are rare earth elements.
 
  Indicate whether the statement is true or false

Question 2

Platinum is used in the catalytic converters of the cars.
 
  Indicate whether the statement is true or false



xiazhe

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  • Posts: 331
Answer to Question 1

TRUE

Answer to Question 2

TRUE



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