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Author Question: Geological eras are subdivided into A) eons B) periods C) epochs D) ... (Read 54 times)

abc

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on: Jul 27, 2018
Geological eras are subdivided into
 
  A) eons
  B) periods
  C) epochs
  D) ages

Question 2

The coefficient of linear expansion of steel is 12  10-6 K-1. What is the change in length of a 25-m steel bridge span when it undergoes a temperature change of 40 K?
 
  A) 1.2 cm
  B) 1.4 cm
  C) 1.6 cm
  D) 1.8 cm
  E) 2.0 cm


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mmj22343

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

A


abc

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Reply 2 on: Jul 27, 2018
Excellent

Joy Chen

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Reply 3 on: Yesterday
Wow, this really help

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