In the last 50 years, the greatest progress in addressing ...

[ashley]

In the last 50 years, the greatest progress in addressing worldwide hunger and malnutrition came from the
 
  A) use of better transportation methods to export grain more efficiently.
  B) development and use of new varieties of high-yielding wheat and rice.
  C) reduced reliance on pesticides, herbicides, and chemical fertilizers.
  D) widespread use of sustainable irrigation methods.

Question 2

Responsible and sustainable actions and policies regarding environmental issues function at
 
  A) the individual level.
  B) the community level.
  C) the national level.
  D) all levels of society.

[xiaomengxian]

Answer to Question 1

B

Answer to Question 2

D

[ashley]

Gracias!

[Chelseyj.hasty]

Thanks for the timely response, appreciate it