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Author Question: In 1983 the standard meter was redefined to what it is currently. What was the previous definition ... (Read 78 times)

awywial

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In 1983 the standard meter was redefined to what it is currently. What was the previous definition from 1960 based on?
 a. specific alloy bar housed at Sevres, France
  b. wavelength of light emitted by certain krypton atoms
  c. distance from the Earth's equator to the North Pole
  d. the distance light travels in a certain fraction of a second

Question 2

A room in a house has a floor area of 160 ft2 . Which of the following is most likely the approximate volume of the room?
 a. 4000 m3
  c. 40 m3
  b. 400 m3
  d. 4 m3



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peter

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Answer to Question 1

B

Answer to Question 2

C




awywial

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Reply 2 on: Jul 28, 2018
Excellent


tuate

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Reply 3 on: Yesterday
Wow, this really help

 

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