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Author Question: Which gas indicates efficiency? (The higher the level of this gas, the more efficient the engine is ... (Read 108 times)

809779

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on: Jun 23, 2018
Which gas indicates efficiency? (The higher the level of this gas, the more efficient the engine is operating.)
 
  A) HC B) O2 C) CO2 D) CO

Question 2

When working with hand tools, always ________.
 
  A) Pull a wrench, don't push a wrench B) Push the wrench, don't pull it toward you


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upturnedfurball

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Reply #1 on: Jun 23, 2018
Answer to Question 1

C

Answer to Question 2

A


809779

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Reply 2 on: Jun 23, 2018
Gracias!

frankwu0507

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Reply 3 on: Yesterday
Excellent

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