Explain why leaves and plants are the colors they are, not black ...

[imowrer]

Explain why leaves and plants are the colors they are, not black or white.
 
  What will be an ideal response?

Question 2

We would expect the curve for number of can openers sold vs. time to be a logistic curve.
 
  What will be an ideal response?

[mceravolo]

Answer to Question 1

Leaves selectively absorb and reflect different parts of the spectrum of light from
the Sun.

Answer to Question 2

Yes; at first few will have can openers and the number will increase rapidly.
Eventually, everyone will have one and sales will drop.

[imowrer]

YES! Correct, THANKS for helping me on my review

[Alyson.hiatt@yahoo.com]

Thanks for the timely response, appreciate it