Look at the tracings of tobacco leaves from the untreated and ...

[09madisonrousseau09]

Look at the tracings of tobacco leaves from the untreated and Bt-treated
  plants. Is there a noticeable difference between the areas that are eaten?

 
  What will be an ideal response?

Question 2

What may happen to the supply of corn and wheat if more cropland is placed
  into soybean production and not these other agricultural crops?

 
  What will be an ideal response?

[CAPTAINAMERICA]

Answer to Question 1

Untreated leaves should be considerably more damaged than Bt-treated leaves

Answer to Question 2

If the demand for corn and wheat remains the same and the supply decreases, then
the price is likely to rise. Another option is the import of corn and wheat from other
countries to help supply all the corn and wheat needed for the United States.