Essays Tagged: "harmful substances"

Ban Smoking

oven killer, Americans waste hundreds of dollars eachyear on tobacco products. Other drugs that are harmful, such as crack or marijuana, areillegal in the United States. However, the use of cigarettes ... ever, the use of cigarettes, which kills millionsworldwide annually, is perfectly legal. If certain harmful substances are illegal, thencigarettes should not be permitted either.Smoking has several ha ...

(3 pages) 207 0 3.9 Jan/1996

Subjects: Humanities Essays > Health & Medicine > Drugs

Dangers of water pollution

s. It's defined as contamination of streams, lakes, underground water, bays or oceans by substances harmful to living things. Water is necessary to life on earth. All organisms contain it, some drink ... r that is moderately pure, and they cannot survive if their water is loaded with toxic chemicals or harmful microorganisms. If severe, water pollution can kill large numbers of fish, birds, and other ...

(3 pages) 282 2 4.1 Apr/2003

Subjects: Science Essays > Environmental Science

Air Pollution.

Air Pollution: A Global ProblemAir Pollution is the addition of harmful substances into the atmosphere resulting in continuing damage to the environment, human heal ... nd the ecosystems in which they live. It is changing the earth's atmosphere so that it lets in more harmful radiation from the sun. While at the same time, our polluted atmosphere is becoming a better ...

(8 pages) 219 1 5.0 Nov/2003

Subjects: Science Essays > Atmospheric Sciences

Smoking Ban

oven killer, Americans waste hundreds of dollarseach year on tobacco products. Other drugs that are harmful, such ascrack or marijuana, are illegal in the United States. However, the use ofcigarettes, ... wever, the use ofcigarettes, which kills millions worldwide annually, is perfectly legal.If certain harmful substances are illegal, then cigarettes should not bepermitted either. Smoking has several h ...

(2 pages) 136 3 3.7 Feb/2004

Subjects: Social Science Essays > Controversial Issues

Bioremdiation of Toxic Wastes

method that uses microscopic organisms to reduce, eliminate, or contain hazardous wastes into less harmful substances [NABIR 9]. It has only been a popular and an important waste treatment method sin ...

(3 pages) 42 0 4.3 Feb/2004

Subjects: Science Essays > Environmental Science

Hazards of Smoking

o plants. It is used as an insecticide and sometimes used in medicine.Tobacco and nicotine are very harmful substances that have many harmful effects on humans as well as animals. People who chew toba ... ver does any good for a person.Consequences of SmokingBy now, everybody should know that smoking is harmful and can also lead to death. Smoking can lead to emphysema and asthma. These are only two of ...

(5 pages) 123 1 3.0 Feb/2004

Subjects: Humanities Essays > Health & Medicine

Water and flowers their effect on each other

otic zone because the water near the edge of the shore hasn't had as much of a chance to filter out harmful substances.· DAY 4· Collect ¼ cup of each water· ...

(1 pages) 35 0 3.7 Apr/2004

Subjects: Science Essays > Agriculture

The effects of second-hand smoke.

I. The effects of second-hand smoke on adults.Smoking cigarettes causes lung cancer. Harmful substances (carcinogens), found in tobacco, damage cells in the lungs. Over time, the damage ...

(2 pages) 41 0 3.0 Sep/2005

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

Will India Remain Suffocated? This research paper is about the cause and effects air pollution holds to India.

ome up with a workable solution to prevent this from occurring.Everyone knows that air pollution is harmful to the environment and its people, but why do people still emit tons of harmful substances i ... may be a low-risk, high-profit business but in the end the outcome of this process turns out to be harmful to the environment.Everyone usually believes that factories and automobile emissions are res ...

(9 pages) 50 0 5.0 Apr/2006

Subjects: Science Essays > Environmental Science

Investigating how surface area affects rates of reaction.

catalysts. They break down the chemical they are uniquely made for, such as proteins, fats and some harmful substances like Hydrogen Peroxide.An enzyme basically works on a key and lock like system. T ...

(3 pages) 1019 0 0.0 Apr/2007

Subjects: Science Essays > Chemistry

Alkaline Phosphatase

n tumors. (Nordensen, 2002) Healthy livers usually carry alkaline phosphatase away along with other harmful substances out through the bile duct. If the liver becomes diseased in some sort, then the b ...

(6 pages) 20 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

Evil

involving the Mafia are done for a large sum of money as a payment. Drug dealers make illegal, and harmful substances for people, and then sell them for large amounts of money. Knowing that people co ...

(2 pages) 8 0 0.0 Feb/2008

Subjects: Social Science Essays > Controversial Issues

Air Pollution

acerbates the pollution problem that our country is facing today.Gasoline-powered cars produce many harmful substances that are released in the air that are a threat to humans and their environment. T ... akes, which is a source of humans' food. The nitrogen oxide that is produced by cars is also really harmful to the human body. It affects the human respiratory system by causing breathing problems and ...

(1 pages) 8 0 0.0 Feb/2008

Subjects: Science Essays > Environmental Science

Air Pollution

acerbates the pollution problem that our country is facing today.Gasoline-powered cars produce many harmful substances that are released in the air that are a threat to humans and their environment. T ... akes, which is a source of humans' food. The nitrogen oxide that is produced by cars is also really harmful to the human body. It affects the human respiratory system by causing breathing problems and ...

(1 pages) 365 0 3.0 Feb/2008

Subjects: Science Essays > Environmental Science

What am I Drinking? - pretend to be writing an article for the schools newspaper and compare bottled water to tap water including different brands of bottled water.

y of dissolved salts than spring water. According to the Health Regulations it must not contain any harmful substances or bacteria at the source.Now that we know what Health Canada and the Food and Dr ...

(6 pages) 36 0 3.0 Jun/2008

Subjects: Science Essays > Environmental Science