text: Some people think that they shouldn't do online classes or video conference because they think is a wast of time, but if they are injured or sick or they have to babysit they parent can't do everything at once, if the kid is injured they can do their work online and they don't have to miss any work from school. Samething with adult if they are sick they can stay home and do work from home, so they don't have to get the other people sick. With injuries with school and work if they break their leg or both of their legs they have to stay home until they are recover and they can do school work at home and adult can do their work. in conclusion it is better if they can do their work online with a family crisis is important.     Cars have been used for as long as we can remeber. They have made traveling a whole lot easier. You may be surprised about how many citizens are no longer using a car to get to places. Three advantages of limiting car usage are less pollution,more time and healty life,and it improves safety.