Which is the best reason to use a diagram?

Which sentence uses whether correctly

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

Check for errors. flora and fauna e to each of its four parts of the british isles 1. the warm and wet elimate of great britain is very good for plants. 2.that's why the country looka like a big beautiful .3.centuries ago there were a lot of foresta in the british isles, but now garden. 4.you can find big foresta only in a few parts of the country- the north of scotland and the southeast and southwest of england. 5.the most com- mon trees in england are onks, elma and beeches while scotland han a lot of pines, firs and birches. 6. the fauna, or animal life in the british isles is like in the northwest of europe.