Why is a system of currency exchange necessary for international trade? a) nearly all world currencies are worthless on the world market. b) those buying goods on the world market only accept payment in gold and silver. c) most goods bought on the international market must be bought and paid for using united states dollars only. d) there must be a way to pay for goods purchased from countries with different types of currencies due to nationalism

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.