What is the “Great Filter” that has eliminated other life forms?

Select all that apply. because the length of his story is limited, short story writers typically:

This passage from chapter 4 of story of my life is an example of which story of plot

Ron and nick chose to start their own businesses. ron wanted to start an ice cream shop, and nick wanted to launch a television manufacturing company. ron and nick had equal amounts of funds on hand and no government regulations restricting them. months later, however, ron has already set up his business, while nick is still struggling to raise additional funds to build a factory. what was the main factor that affected nick’s business? a. an irrelevant business idea b. low demand for tvs in his country c. high start-up costs d. lack of labor economics