Environmental Science Essay Example for Free

Environmental Science Essay Gagandeep Rai Period 3/4 Criteria air pollutants assignment​ Multiple Choice 1. A pungent reddish ­brown gas often associated with photochemical smog. (C) NO2 2. A corrosive gas from burning coal often associated with industrial smog. (d) SO2 3. A dangerous indoor air pollutant. (A) CO 4. Emitted from diesel and burning fuel. (E) PM10 5. All of the following are examples of primary air pollutants except. (c) tropospheric ozone 6. The greatest emission of sulfur dioxide comes from (C) Industrial processes 7. The least amount of nitrogen oxide emissions comes from (A) on ­ road vehicles 8. The accumulation of tropospheric ozone at night depends mainly upon the atmospheric concentrations of (B) volatile organics 1. What are they? The six criteria air pollutants are sulfur dioxide, nitrogen oxides, carbon oxides,lead,particulate matter and tropospheric ozone. These six pollutants significantly threaten human health, ecosystems and/or structures. 2. How is each produced? Sulfur dioxide is mostly produced from the burning of fossil fuels like coal and oil. It can also be released during volcanic eruptions. Nitrogen oxides are produced from vehicles as well as stationary fossil fuel combustion. Some is also released through lightning and forest fires.Carbon monoxide is formed by incomplete combustion of most matter. Vehicle exhaust and many other combustion process produce Carbon monoxide. It is also a indoor pollutant when exhaust systems on natural gas heaters misfunction. Carbon dioxide is produced from complete combustion of most matter such as biomass and fossil fuels . Particulate matter is released when fossil fuels and bio fuel is burned. Also it is released with activities that involve movement of dust or sand. Lead is released from old paint, gasoline additive and combustion of fossil fuels.

good vs evil :: essays research papers

Beowulf Good VS. Evil   Ã‚  Ã‚  Ã‚  Ã‚  Many times we see a battle of good vs. evil in movies, books, society, and in this case, an epic poem. This motif is used so often because it pertains to so many facets of authentic life. The epic poem Beowulf is an example of this because the hero of the story has an ongoing conflict with the evil villain, Grendel. In Beowulf, the conflict between good and evil is the poem’s main and most important aspect. The poet makes it clear that good and evil do not exist as only opposites, but that both qualities are present in everyone. Beowulf represents the ability to do good, or to perform acts selflessly and in help of others. Goodness is also showed throughout this epic as having the ability to cleanse evil. Even though evil is presented by Grendel, Grendel’s mother, and the dragon, who are filled with a desire to act against people and ultimately destroy them. Even pride, a human quality, is presented in Beowulf as a sign that evil exists.   Ã‚  Ã‚  Ã‚  Ã‚  Beowulf is the character in the story that played the super hero. He was the man who went to innocent peoples rescue. When they needed someone to help them he was the man who would respond to their cries for help. For example, Beowulf went to the aid of the people of another country to fight a monster and protect them from another ambush of attacks from the monster. He risked his own life, to face this monster that would destroy any human in a matter of seconds. Beowulf isn’t just any normal human, he has the strength of 30 men in each hand. He is â€Å"the Prince of goodness†(46). He has been sent down from heaven to protect the earth from evil such as Grendel. As you can see clearly by the fact that he is called â€Å"The Prince of goodness† he is the â€Å"good guy† in the story (46). He has been chosen to protect the world from evil. When this story was made, the author intended for it to be clear that Beowulf is supposed to be the hero of the story.   Ã‚  Ã‚  Ã‚  Ã‚  Beowulf takes it upon himself to announce several great deeds that he will perform to help countries in need. One of these deeds is his offer to King Hrothgar, in which he proposes to slay Grendel. Beowulf states, â€Å"single handed I’ll settle the strife (37).

Review of “Berger Queen” by Erin Sharp

In her essay, â€Å"Berger Queen†, freelance writer Erin Sharp expounds on her experience working at McDonald’s. Sometimes seen as a less than desirable occupation, Sharp defers and states that this has been the most enjoyable job that she’s had. She opens her essay this way, in paragraph one, in narrative fashion. The rest of the essay is narrative with use of illustration by examples. The paragraphs that show illustration are three, four, five, six, and seven (all of the body paragraphs).Paragraph three uses the example of children passing notes to McDonald’s employees to pass on to Ronald McDonald, proving her point that McDonald’s is a favorite spot for most children. Paragraph four and five support the point that most adults lack respect for McDonald’s employees, going so far as to try to get free food from them, arguing over ten cent increases, and just acting absolutely ridiculous by doing things such as complaining about cold food an hour after it was served and demanding that accommodations be made for an item that was not on the menu (ie†¦lunch item during breakfast).Paragraph six goes on to further explain how adults treat McDonald’s employees with such a lack of respect and just how foolish people can really by. Sharp recalls a woman sitting in the drive thru eating her pancakes and sausage at the drive thru window while several vehicles sat behind her honking during a 90 second or less guarantee day. The essay ends on a brighter note, with the reassurance that all of McDonald’s customers do not treat the employees with a lack of respect; there are groups who look forward to coming to McDonalds every day to have their coffee and social time.

Supernatural Element in a Midsummer Nights Dream

Q. What is the role of the Supernatural in A Midsummer Night’s Dream? Ans: The supernatural has a great importance in the play A Midsummer Night’s Dream by Shakespeare. Shakespeare’s fairies are largely derived from Warwickshire folk-lore and superstition, though Shakespeare might have also got some hints for them from a number of literary sources. They constitute the chief charm and attraction of the play, and critics after critics have vexed eloquent in praise of them. The fairies are the unusual characters in the play, forming one of the subplots. The role of the fairies: We might think that a grown writer like Shakespeare must have been slightly mad to write a play with fairies in it for adult audience. But then in his time†¦show more content†¦His special gifts are that he can fly around earth at great speed and he can execute mischief. And it is for these that he is summoned by Oberon to help him steal the Indian boy from Titania and in the process make a mockery of her for withdrawing her attention and favour from him. Puck’s name is of special interest. For one thing, it sets him apart from Oberon and Titania who have classical names. He is sometimes called by other names, particularly Robin Goodfellow. Robin Goodfellow is an English folk character who is genuinely good fellow. He helps hard worked housewives compete their tasks, he helps butter set and so on But he is also, without warning and for no reason that human being can understand, maliciously mischievous. For example, when an old woman prepare s to settle down on a stool, he pushes the stool away so that she falls down and hurts her rear end. He can also make milk turn sour and prevent the butter from setting, He is not instructed by the devil or some evil spirit but these nasty things for his own amusement. Shakespeare used both good and the bad aspects of the Robin Goodfellow folk tales in his dramatization of Puck. We can see this in the havoc creates among the young Athenian aristocrats with the love potion. When Oberon tells Puck he put the love juice in the eyes of Demetrius so that he may fall in love with the unhappy Helena, Puck makes a genuine mistake and pours the juice intoShow MoreRelatedManipulating The Supernatural : William Shakespeare s Othello And A Midsummer Night s Dream883 Words   |  4 PagesManipulating the Supernatural It is human nature to be drawn toward people that we can relate to. Because of this Shakespeare made his characters as relatable as possible to the audience members of the late fifteenth and early sixteenth century and their views on life so he could generate more recognition for his plays. Throughout Shakespeare s plays, Othello and A Midsummer Night’s Dream, he appeals to the audience by relating to their human nature. 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