If a lake is about an eighth covered by water hyacinths when you ...

[Engineer]

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]

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.

[Engineer]

Both answers were spot on, thank you once again

[millet]

Great! Please up vote