The new GoPro Hero5 Session offers 4K video, one-button simplicity, and voice control all in a small, waterproof design at the attractively low price of $299.99, which is $100 lower than the Hero5 Black’s price. If the majority of the Session’s sales were from consumers who would have purchased the more expensive Hero5 Black, we can say that the new Session the sales of the Black.

The correct answer is letter "B": cannibalized.

Explanation:

Market Cannibalization refers to a strategy companies follow by which they offer a product at first to then introduce another with improved features but at a lower price. The second product introduced tends to replace the first or is said to cannibalize the previous version.  

In some cases, organizations follow this strategy to wipe out competitors but the result could not be positive all the time.

answer: b 56, 250

explanation:

answer: a. the kind of population living in your neighbourhood.

the census explorer data tool by the us census bureau allows the user to zoom in on any neighbourhood within the united states and find the kind of people residing in that by race and age.  

the tool needs to needs to be used twice – once in order to find what type of people reside in a neighbourhood, and then to see the age groups of the people in the same neighbourhood.