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Author Question: Tar sand is a type of sandstone in which viscous, asphalt-like hydrocarbons fill the pore spaces. ... (Read 96 times)

TVarnum

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on: Jul 13, 2018
Tar sand is a type of sandstone in which viscous, asphalt-like hydrocarbons fill the pore spaces.
  Indicate whether the statement is true or false

Question 2

Seedless vascular plants evolved which of the following features of modern plants?
 A)seeds only
 B)roots only
 C)leaves only
 D)secondary growth only
 E)roots, leaves, and secondary growth


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abro1885

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Reply #1 on: Jul 13, 2018
Answer to Question 1

True

Answer to Question 2

E


TVarnum

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Reply 2 on: Jul 13, 2018
Excellent

Jossy

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Reply 3 on: Yesterday
Gracias!

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