1) Many remote communities need mules A) to transport non-food goods. 2) British railway networks developed B) but are needed by industry and governments for quick transport. 3) Many countries have an effective network of railways C) because they can deliver a more efficient service. 4) Railways are extremely expensive to construct D) because more passengers and businesses are using air transport 5 )Some courier companies now have their own fleet of planes E) to transport food, raw materials and essentials F) extremely quickly during the mid 19th century. 6) Airports are getting busier помагите