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Author Question: What is a substance that gives off high-energy particles or rays? a. Scanner b. Half-life c. ... (Read 53 times)

hbsimmons88

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What is a substance that gives off high-energy particles or rays?
 
  a. Scanner
  b. Half-life
  c. Barium
  d. Radioisotope

Question 2

Difficult speech: dys__________
 
  Fill in the blank(s) with correct word



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k2629

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Answer to Question 1

D

Answer to Question 2

phasia




hbsimmons88

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Reply 2 on: Jun 27, 2018
:D TYSM


Dominic

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Reply 3 on: Yesterday
Gracias!

 

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