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Author Question: Smog contains ________, which is an irritant to lungs and eyes. A) N2 B) O3 C) CO2 D) ... (Read 110 times)

CQXA

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Smog contains ________, which is an irritant to lungs and eyes.
 
  A) N2 B) O3 C) CO2 D) O2

Question 2

Which type of hammer is plastic coated, has a metal casing inside, and is filled with small lead balls?
 
  A) Soft-blow hammer B) Plastic hammer
  C) Dead-blow hammer D) Sledgehammer



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wergv

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Answer to Question 1

B

Answer to Question 2

C




CQXA

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Reply 2 on: Jun 23, 2018
Excellent


TheDev123

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Reply 3 on: Yesterday
Wow, this really help

 

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