Essays Tagged: "Chemicals"

Pheromones

eromones.'Pheromones{fair'-uh-mohn} (from the Greek pher, 'to carry' and horman 'to stimulate') are chemicals released by organisms into the environment, where they serve as signals or messages to alt ...

(2 pages) 49 0 4.0 Dec/1996

Subjects: Science Essays > Chemistry

Chromium

salmost all its chromite.Chromium is added to other metals to make them harder andmore resistant to chemicals. Small quantities mixed with steel make the metalstainless. Stainless steel is used to mak ...

(2 pages) 39 0 4.6 Jan/1996

Subjects: Science Essays > Physics

Is Marijuana Dangerous to your Physical Health?

e. Some health reports state that it is verydetrimental to the body while others are explaining how chemicalsextracted from the marijuana plant are being used as medication.The problem is, just what a ... e, it can remain in thebody for over 4-weeks after use. Researchers are unable todetermine what the chemicals are doing to the body while theyremain there over this period of time. This just proves th ...

(5 pages) 175 0 4.8 Jan/1996

Subjects: Social Science Essays > Controversial Issues > Drugs & Alchohol

A heoin Term paper, describing what heroin is and how it effects the body

. "Opium is found in the seedpot of this flower" (Hoobler 39). The opium is boiled along with other chemicals. It then becomes a morphine base. After laboratory refining, heroin is produced. Some hero ...

(3 pages) 111 0 4.4 Apr/2002

Subjects: Social Science Essays > Controversial Issues > Drugs & Alchohol

World Issues

ese levels exceed certain critical values, will it be consideredpollutants. Pollutants are not only chemicals but also forms of energy likeheat, sound and radioactive rays. To be a pollutant, a materi ... antly recharging the battery to our cars but it is muchbetter then breathing in all these dangerous chemicals in our air.Over the years, there has been an increased emphasis onlightweight cars, which ...

(5 pages) 125 1 3.3 Apr/2002

Subjects: Social Science Essays

A Psychology Essay on Dreams

eor places familiar or not. These dreams are most likely createdbecause of the flash and mixture of chemicals that occursduring sleep. Many times these dreams are actually so bazaarthat they have no m ...

(2 pages) 156 0 3.2 Dec/1996

Subjects: Social Science Essays > Psychology

Paradox, speaks of the danger of mechanisms and improved materials

s, and cellular phones are thought to be the cause of some of these untimely deaths. Also there are chemicals such as lead and asbestos that have and can lead to such casualties. But most of all, it i ... o use tanning booths and encourage them that a tan may cool but dead is even colder.Many of today's chemicals are also a hazard to human health. For instance, lead can be very deadly if gets into the ...

(7 pages) 92 1 4.9 Oct/1994

Subjects: Science Essays > Atmospheric Sciences

Analytical Chemistry

s. Ideally, the tests should be simple, direct, and easily performed with available instruments and chemicals. Test results may be an instrument reading, and observation of a physical property, or a c ...

(4 pages) 116 0 4.1 Jan/1996

Subjects: Science Essays > Chemistry

Acid rain, a great problem in our world

n is naturally slightly acidic.It is caused by today's industry. When products are manufactured manychemicals are used to create it. However because of the difficulty and costof properly disposing of ... it. In Scotland thereare many birth defects being attributed to it. We must cut down thereleases of chemicals that cause it. But it will take time, even if we wereto stop today we would have the probl ...

(7 pages) 124 2 4.4 Mar/1997

Subjects: Science Essays > Atmospheric Sciences

Essay Question: Sociologically analyze and describe the ill health condition of smoking. Includes extensive bibliography

been found to cause cancers, due to the carcinogenic properties contained within the cigarette. The chemicals within cigarettes have also been found to diminish the capacity of the lungs and damage ma ... health and fitness, age faster by developing wrinkles and may develop serious coughs. The addictive chemicals and properties contained within tobacco provide the user with biological as well as social ...

(9 pages) 285 0 3.9 May/2002

Subjects: Humanities Essays > Health & Medicine > Drugs

Plastic recycling

lastic RecyclingThere are many methods for making materials that are dubbed plastic. Many different chemicals, most are petroleum based, are used for making plastic. A short history and a summary of s ...

(8 pages) 196 0 3.8 Sep/1997

Subjects: Science Essays > Chemistry

Biotechnology

, Biotechnology has advanced much to the advantageof many people. We have learned that with certain chemicals, we are able to cut-and-paste the DNA of certain organisms, and alter them to comply to ou ... e largest,reddest apples, and the plumpest grapes. We can score more milk by the cow,and create new chemicals to heal people. This is a society where we need notworry about a plague affecting our frui ...

(3 pages) 67 0 3.5 Oct/1995

Subjects: Science Essays > Biotechnology

Acid Rain

n is naturally slightly acidic.It is caused by today's industry. When products are manufactured manychemicals are used to create it. However because of the difficulty and costof properly disposing of ... it. In Scotland thereare many birth defects being attributed to it. We must cut down thereleases of chemicals that cause it. But it will take time, even if we wereto stop today we would have the probl ...

(7 pages) 101 1 3.3 Dec/1994

Subjects: Science Essays > Environmental Science

Ozone Depletion

of environmentalists decide to boycott a substance which is the foundation of their company. These chemicals, although very useful, cause consequences that need to be dealt with now in order to preve ... ry useful, cause consequences that need to be dealt with now in order to prevent further damage.The chemicals in question are numerous, but the two gaining the most attention are chloroflurocarbons (C ...

(3 pages) 56 0 3.0 Dec/1995

Subjects: Science Essays > Environmental Science

The printing business

is in effect for the printing industry. Businesses must give information on the locations of where chemicals are being used. They must also give a diagram showing the water flow through the facility. ... is in effect for the printing industry. Businesses must give information on the locations of where chemicals are being used. They must also give a diagram showing the water flow through the facility. ...

(4 pages) 71 0 3.0 Apr/1997

Subjects: Businesss Research Papers > Case Studies

The Environmental Effects Associated with Industrialization

nd comfort of our own home, earth. Ozone depletion, climate change as well as the direct effects of chemicals from industrial emissions and fuel combustion are a great threat to our planet and if noth ... if nothing is done to resolve this problem soon, the results may be disastrous.There is a layer of chemicals twenty kilometers up in the stratosphere called the ozone layer. This layer protects the i ...

(6 pages) 194 1 4.0 Jan/1997

Subjects: Science Essays > Environmental Science

Acid Rain

n is naturally slightly acidic.It is caused by today's industry. When products are manufactured manychemicals are used to create it. However because of the difficulty and costof properly disposing of ... it. In Scotland thereare many birth defects being attributed to it. We must cut down thereleases of chemicals that cause it. But it will take time, even if we wereto stop today we would have the probl ...

(7 pages) 81 0 2.3 Mar/1997

Subjects: Science Essays > Chemistry

Acid rain

n is naturally slightly acidic.It is caused by today's industry. When products are manufactured manychemicals are used to create it. However because of the difficulty and costof properly disposing of ... it. In Scotland thereare many birth defects being attributed to it. We must cut down thereleases of chemicals that cause it. But it will take time, even if we wereto stop today we would have the probl ...

(7 pages) 60 1 3.0 Feb/1995

Subjects: Science Essays > Environmental Science

Hawaii: The Big Five

ly by a consortium of corporations known as the 'Big Five': C. Brewer and Co., sugar, ranching, and chemicals, founded in 1826; Theo. H. Davies & Co., sugar, investments, insurance, and transporta ...

(10 pages) 102 0 3.0 Mar/1997

Subjects: Social Science Essays > Economics

Dredging the Hudson River

lion pounds of PCBs into the upper Hudson and PCBs continue to leak out of two GE plants." PCBs are chemicals used for a wide variety of industrial purposes and are linked to but not proven to cause r ...

(5 pages) 40 0 4.5 Dec/2002

Subjects: Science Essays > Environmental Science