<span>Because they are not enclosed in a phosoplipid membrane as are other organelles
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Jean Crevecoeur wrote an essay titled "What is an American". The purpose of this essay is to introduce America as a new land to the Europeans who know nothing about America. He describes the differences between America and Europe, the opportunities for employment, the people's freedom and their ability to have a relationship with nature. The reoccurring theme throughout this essay is how good the new land is compared to Europe. He states that it is easier to live in America than under the strict and unfair regimes in Europe
The age to drive should not be raised to 21. Sixteen year olds are perfectly capable of driving. They are also in high school and soon to be in college. They should be able to leave and get food as well as drive to practice if they wish to peruse sports. If you are legally mature at the age of 18. Then you should be able to drive since way before the age of 21 at least.