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Author Question: Beginning around 250 million years ago, the accumulation of dead algae led to the formation of a(n) ... (Read 43 times)

aabwk4

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on: Jul 21, 2018
Beginning around 250 million years ago, the accumulation of dead algae led to the formation of a(n) ____ zone along the bottom of coastal waters.
 
 

a. aerobic c. benthic
  b. anoxic d. aphotic



Question 2

Kerosene is a liquid hydrocarbon created from the distillation of crude oil and it has a condensation point of around ____ degrees Fahrenheit.
 
 

a. 200 c. 600
  b. 400 d. 800



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Liamb2179

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

B

Answer to Question 2

B


aabwk4

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Reply 2 on: Jul 21, 2018
YES! Correct, THANKS for helping me on my review

blakcmamba

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Reply 3 on: Yesterday
Excellent

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