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Author Question: A vertical section through the soil extending from the surface to the unweathered rock is best ... (Read 69 times)

leilurhhh

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on: Jul 21, 2018
A vertical section through the soil extending from the surface to the unweathered rock is best described as the:
 
  a. crust c. profile
  b. horizon d. core

Question 2

Researchers say that ___________________ __ are helpful as a research tool, but nothing can replace real animal use.
 
  Fill in the blank(s) with correct word


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gcook

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Reply #1 on: Jul 21, 2018
Answer to Question 1

C

Answer to Question 2

computer simulations


leilurhhh

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Reply 2 on: Jul 21, 2018
:D TYSM

okolip

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Reply 3 on: Yesterday
Wow, this really help

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