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Author Question: Refer to the accompanying narrative. What variable or variables were manipulated by the scientist? ... (Read 56 times)

storky111

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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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Answer to Question 1

a

Answer to Question 2

ozone



storky111

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Both answers were spot on, thank you once again




 

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