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Author Question: If a lake is about an eighth covered by water hyacinths when you first look at it, and completely ... (Read 32 times)

Engineer

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on: Jul 28, 2018
If a lake is about an eighth covered by water hyacinths when you first look at it, and completely covered 3 weeks later, what is the water hyacinth doubling time?
 
  a. 0.25 week
  b. 0.5 week
  c. 1 week
  d. 2 weeks
  e. 3 weeks

Question 2

Red asters are red because the red light from sunlight is absorbed by the flowers.
 
  What will be an ideal response?


millet

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

C

Answer to Question 2

Again, as for Question 23-11, the reverse is true. Red asters are red because the
red in sunlight is reflected and the blue and green absorbed.


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Engineer

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


millet

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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