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Author Question: C 3 plants are more efficient at conversion of sunlight to plant matter than C4 plants. What will ... (Read 644 times)

newyorker26

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on: Jul 28, 2018
C 3 plants are more efficient at conversion of sunlight to plant matter than C4 plants.
 
  What will be an ideal response?

Question 2

Ref. 59 finds that lead deposition decreases after 1979 . What could be the reason? Suggest a possible answer. Justify your suggestion.
 
  What will be an ideal response?


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TDubDCFL

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Reply #1 on: Jul 28, 2018
Answer to Question 1

The reverse is true. At high light levels, C4 plants are more efficient. Also, they are
more efficient users of water (corn Zea mays, for example, is a C4 plant). Efforts are
under way to increase plant efficiency from multiple approaches for both types of plant, but
especially for C3 food crops.

Answer to Question 2

The reduction and then, finally, elimination of tetraethyl lead from gasoline (it
increased octane number cheaply) is the likely cause of the observed reduction in the
amount of lead deposition.


newyorker26

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Reply 2 on: Jul 28, 2018
Gracias!

ghepp

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Reply 3 on: Yesterday
Excellent

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