Yellow lines means that roads are merging and there's going to be traffic coming, so it's a warning to be cautious and to join the merged road. It's usually a warning to people that are going at a high speed in their vehicle. So merging majorly helps prevent an accident.
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If an author has no emotion regarding the story he is telling his tone can be described as. objective
Don’t say that. you are not a waste of space
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I believe everyone has the right for the access even to the most expensive medical treatments. Those who can afford to have them may be in a more advantageous stage. However, the less fortunate may still have the access through aids from different groups such as the government, and other non-governmental organizations. Read more at Answer.Ya.Guru – https://answer-ya.com/questions/2990468-should-research-into-expensive-medical-treatments-be-allowed.html