How important are these essays? Are they less important than the main essay?

How long should they typically be?

How important is the beef in the beef stew?
Do your homework, find out all the best and worst things about the school and include them both in your essay. For example, "Even though the gym is a long distance from the next class, the bike path through the campus makes the trip a breeze."
You should make it concise, that it, don't be padding it just to take up space, because they don't like to be conned, and they'll know, c'mon, they're college graduates.
Make it two or three double spaced pages. Use your spell checker.
Purchase a copy of "The Elements of Style" by Strunk and White. It will be a godsend when you're writing any paper for college.
You can do this!

Please correct grammatical mistakes and suggest me better expressions for awkward setences.

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Our society has placed a critical restriction on drinking and smoking ages, especially on the younger people since drinking at early ages is thought to be harmful for their bodies. However, younger people at present take in plenty amount of nutrition, compared to the past generation, and as a result they have better-developed bodies. With such physical change to the younger generation’s body, smoking and drinking could be still harmful for the health. That is, we still have to hold the strategy onto the younger people due to several reasons.

First of all, the most obvious reason why we have to keep such strategy is rapid physical growth of younger people does not mean they are emotionally mature. Even though they may not be able to find any difficulty in doing smoking or drinking, they are still too immature to distinguish what is right or wrong. That is why they have to be protected under the legal circumstance and be limited doing something that could be harmful at early ages. In addition, smoking has already proved to be harmful for all people regardless of ages. That means at whatever ages they are smoking, it is still harmful for them. For the case of smoking, young people aged in teenagers spend most of their time on studying. However, committing alcohol abuse during adolescence, they must cause many different social problems. According to recent research, the students who drink heavily and frequently have shown an impaired memory ability, being three times more likely to attempt suicide than those who do not drink. Most certainly, there is no study on how better the younger generation’s body has developed than the previous generation. Therefore, we should not decide yet to ease the restriction on underage drinking and smoking policy.

It seems to be we should not ease the restriction on underage drinking and smoking policy yet at this stage due to several reasons. Whatever has taken place, it is generally true that smoking and drinking at early age are very harmful and further other problems associated with them can be caused by the younger people who abuse them. Scientists need to study more on how human being’s body has developed and until then, such a furious debated should be suspended.

Our society has placed a critical restriction on drinking and smoking ages, especially on the younger people since drinking at early ages is thought to be harmful for their bodies. However, younger people at present take in plenty of nutrition compared to past generations and, as a result, they have better developed bodies. With such physical changes to the younger generation’s bodies, smoking and drinking can be still harmful for the health and that is why we still have to hold on to several strategies for the sake of the younger people.

First of all, the most obvious reason why we have to keep such strategy is that the rapid physical growth of younger people does not mean they are emotionally mature. Even though they may not be able to find any difficulty in smoking or drinking, they are still too immature to distinguish what is right and wrong. That is why they have to be protected under legal circumstances and be limited from doing something that could be harmful at early ages. Secondly, smoking has already proved to be harmful for many people of all ages. That means that, at whatever ages they are smoking, it is still harmful for them. In the case of smoking, young teenagers spend most of their time studying. However, by committing alcohol abuse during adolescence, they must cause many different social problems. According to recent research, the students who drink heavily and frequently have shown impaired memory ability, being three times more likely to attempt suicide than those who do not drink. Most certainly, there is no study on how much better the younger generation’s bodies have developed in comparison to the previous generations. Therefore, we should not decide yet to ease the restriction on under-age drinking and smoking policy.

It seems as if we should not ease the restriction on under-age drinking and smoking policy at this stage due to several reasons. Whatever has taken place, it is generally true that smoking and drinking at early age are very harmful and further problems associated with them can be caused by the younger people who abuse them. Scientists need to study more on how human beings' bodies have developed and, until then, such a furious debate should be suspended.