Psychologists suggest that to cure cruelty

According to the passage, over the last fifty years or so

1. 
   bacteria have developed that are not affected by today's antibiotics
   
2. 
   there has been a sharp increase in organic farming across the world
   
3. 
   North Carolina has become the center of organic farming
   
4. 
   a huge number of antibiotics have been developed
   

2. 
   The author states that one reason for the growth in organic farming is
   

1. 
   higher productivity from livestock
   
2. 
   cost savings over intensive farming methods
   
3. 
   the government support provided for private enterprises
   
4. 
   fears over the consequences of excessive use of antibiotics
   

3.