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Author Question: A(n) ____________ is a substance composed of identical particles called ______________ that cannot ... (Read 94 times)

faduma

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A(n) ____________ is a substance composed of identical particles called ______________ that cannot be broken into
  simpler substances by chemical means. Fill in the blank(s) with the appropriate word(s).



Question 2

Why does sound travel rapidly though the lower well-mixed surface layer?
  a. Temperature and pressure are homogeneous.
  b. Temperature and salinity are homogeneous.
  c. High refraction areas are produced.
  d. Density is heterogeneous.
  e. Shadow zones are produced




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isabelt_18

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Answer to Question 1

element; atoms

Answer to Question 2

b




faduma

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Reply 2 on: Aug 22, 2018
Gracias!


cam1229

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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