[Answered] 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. ...

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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 98 times)

JGIBBSON

Hero Member
Posts: 538

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

Sr. Member
Posts: 336

Reply #1 on: Jul 26, 2018

Answer to Question 1

c

Answer to Question 2

c

JGIBBSON

Member
Posts: 538

Reply 2 on: Jul 26, 2018

Thanks for the timely response, appreciate it

jackie

Member
Posts: 324

Reply 3 on: Yesterday

TYSM

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