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Author Question: What functions do preservatives perform? What will be an ideal ... (Read 21 times)

Shelles

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on: Jul 21, 2018
What functions do preservatives perform?
 
  What will be an ideal response?

Question 2

Which of these terms refers to the movement of the plant toward gravity?
 
  a. Phototropism c. Photoperiodism
  b. Photosynthesis d. Geotropism


amanda_14

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

They are a food source; they acidify the water; and they reduce bacterial growth.

Answer to Question 2

D


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