Answer: Opportunity
Explanation:
Opportunity is defined as the stage in which time is favorable and chances of perusing something is present.This circumstance or situation is depicted as good time for someone to attain their objective and goals.
According to the question,Christopher is getting opportunity when people are showing interest by opting to eat vegan and healthy diet.This will increasing his restaurant's food sale and provide benefit .
They are all cells, they all have the same function
