For the criteria to be met when evaluating segment attractiveness, the consumer must know the product or service exists, understand what it can do for him or her, and recognize how to buy it.

The correct word to fill in the blank is the word "reachable".

Explanation:

In order to have a positive impact, the product must be easy to know and acquire or accessible through persuasive communication and distribution, consumers must know the product, must know the benefits and how to buy it.

c

explanation: because you need to reduce the pollution on land,the exhaust fumes will stop,and stop it in water,the oil that is in the oceanharms the fish   sorry if you   have been waiting long  

answer; a cost benefit analysis;