Food safety security: (Multiple Choice)

Food safety security:
 
  a. Is enhanced by different food safety regulations in the Mexico, Canada, and the United States.
  b. Was disrupted by BSE.
  c. Is a bigger problem with Canada than with Mexico.
  d. a and b above.
  e. All of the above

Question 2

Market failure resulting from externalities occurs when there are substantial differences between market values and social values.
 
  Indicate whether the statement is true or false

Question 3

Grasslands usually are populated:
 
  A) only by dicotyledonous plants with blade-like leaves.
  B) predominately by blade-like dicotyledonous plants and a few Poaceae.
  C) only by members of the Poaceae family.
  D) predominately by Poaceae with other families mixed in.

Question 4

________ is the growing of two or more crops simultaneously in the same field.
 
  A) Intercropping B) Double cropping C) Ratoon cropping D) Sharecropping