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Author Question: The speed of a sound wave in air is about a. 340 Hz b. 340 ft/s c. 340 m/s d. 1100 m/s e. ... (Read 71 times)

JGIBBSON

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on: Jul 26, 2018
The speed of a sound wave in air is about
 
  a. 340 Hz
  b. 340 ft/s
  c. 340 m/s
  d. 1100 m/s
  e. 1 m/s

Question 2

Solid residue remaining in an incinerator furnace after combustion is
 
  a. soot
  b. fly ash
  c. bottom ash
  d. leachate
  e. dust


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maaaaaaaaaa

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Reply #1 on: Jul 26, 2018
Answer to Question 1

c

Answer to Question 2

c


JGIBBSON

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Reply 2 on: Jul 26, 2018
Wow, this really help

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Reply 3 on: Yesterday
Excellent

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