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Author Question: Refer to the accompanying narrative. What variable or variables were manipulated by the scientist? ... (Read 24 times)

storky111

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on: Jul 27, 2018
Refer to the accompanying narrative. What variable or variables were manipulated by the scientist?
 
  a. DDT only
  b. temperature only
  c. weight differences only
  d. both DDT and weight differences
  e. both temperature and weight differences

Question 2

By combining three oxygen atoms, a/an ________________ layer formed in Earth's atmosphere, which absorbs UV photons.
 
  Fill in the blank(s) with correct word


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akudia

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Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

ozone


storky111

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


akudia

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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