This leads to problems in vision, cancer, obesity etc. We prefer to sitting, playing games or listening to music instead of walking or going outdoor or performing any work which requires physical activity.Modes of transportation has increased the ease of access but has also increased the amount of pollution.
If your teacher wants a specific essay structure, you will probably want to end your paragraphs with a sentence that summarizes the main point, or in the intro, your thesis statement.
If you have more freedom you might focus on leading naturally into the ideas of the next paragraph or you may end the paragraph when you feel you have made your point.
If you find all this confusing, your best bet is to just summarize the paragraph.
The society has been dramatically changed with the evolution of technology.
Modern technology also poses serious health problems.
People are sleep deprived nowadays since taking their eyes off their phone or laptop screens become a near to impossible task.
Usage of text language often is having dire consequences on students.
They fail to spell words correctly or write fully grammatically correct sentences.
Most important, they would help prevent terrorists from high jacking American Planes.
At the same time, by making racial profiling unnecessary, these cards would help protect personal and civil liberties of Americans.