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Author Question: What is the minimum height of a guard on open sides of stairs that have a total rise of more than ... (Read 13 times)

corkyiscool3328

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on: Jul 24, 2018
What is the minimum height of a guard on open sides of stairs that have a total rise of more than 30?
 
  A) 32 B) 34 C) 38 D) 36

Question 2

Which of the following has been recognized as the most significant achievement of the twentieth century by the National Academy of Engineering?
 
  A) Solar panels B) Nuclear power generation
  C) The US electrical power grid D) Wind turbine generators


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ebe

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Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

C


corkyiscool3328

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Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

Joy Chen

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Reply 3 on: Yesterday
Gracias!

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