The Airplane. The Automobile

5) The Airplane

+a person can fly anywhere in the world in a matter of hours	-airplanes are the biggest source of air pollution because of burning fuel
+aircraft provide many other services as well: from crop dusting and fighting forest fires to overnight delivery of donor organs, packages and chasing hurricanes	-many of them are used for a long time and need replacing, so old aircraft can be unsafe for passengers
+the airplanescontribute a lot toevery country’s defensive power making it stronger and independent	-they arethe mostexpensive means of modern transport

4) The Automobile

+ cars have become a practical and reliable source of transportation not only for going to different places but also for delivering goods (it’s beneficial for development of economy and market)	-they add much to air pollution as they use fossil fuel. Besides, fumes are extremely harmful for people’s health as they can cause respiratory diseases.
+ much of the country was paved over to build modern roads and highways (which helped people travel far distances quickly and in a comfortable way)	-new roads mean cutting down trees to make space for their construction. As a result, wildlife and natural habitats of many species can be destroyed.
+it’s one of the most affordable means oftransport nowadays to enable people to move around without difficulties	-death toll because of car accidentsis dramatically increasingthese daysas many drivers are careless and can easily buy their driver’s licensewithout taking necessary exams