Answer:
The statement that vegetarian will see fewer health benefits than before is best identify a potential negative externalize in regard of campaigning touting the health benefits of eating chickens.
Step-by-step explanation:
The positive statement released by the campaigners about the advantages of eating chicken will adversely affect the mentally of vegetarians as they found their vegetarian diet less healthy in terms of eating chicken.
The vegetarian consumers will compare health benefits of eating veggies to eating chickens and this will somewhere increase the consumption rate of chickens.