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Nitrogen Essay Topics & Paper Examples

Essay on Pollution in Pakistan

?As the world is incessantly changing, there are many attributes which are leading towards a prosperous life but on the contrary, some problems are spreading of great magnitude; one of them is pollution. Pakistan is one of the developing countries which are sustaining the pollution problem. Traffic congestion is one of the main causes of air pollution. The usage of old transports is ruining the situation. No prevailing laws are strictly implemented, as a result, factories exude their smoke into the air. Simultaneously, wasted poisonous substances are excreted in the water of rivers and lakes which is causing water pollution. The conditions exacerbate in the urban areas. In some predominant areas, main roads are widened but the status is worst…

The Neolithic and Industrial Revolutions

The two changes in the use of the earth’s resources that had the greatest effect on the world population were the Neolithic and the industrial revolutions. The Neolithic revolution (a.k.a. agricultural revolution) was a change in the way of life of our ancestors. It took place about 8000 years ago among various tribes in Asia and the Middle East. It included a transition from foraging and hunting to the domestication of animals (most probably starting with the dog) and to farming. Tribes settled in fertile areas and formed agricultural communities many of which grew into villages and cities. This relatively stable way of life and the more reliable food supply (and surplus) led to the development of new professions, to…

Does a plant grow bigger if watered with milk?

The question being asked here would be “Does a plant grow bigger if watered with milk? Or water? ” In my opinion the answer would be milk because milk contains vitamins and calcium that water does not have, but the answer is to be found out later during the project. Well, it is known that for a plant to survive it will definitely need air, soil, water, light, and space to grow, but maybe if we replaced water with milk, plants could grow bigger and quicker, you never know. To test my theory, every morning before school I will water two of my plants with water like I regularly do, and two of my plants with milk which will be…

Dissolved Oxygen

Oxygen in Liquids (DISSOLVED OXYGEN) Dissolved Oxygen – the amount of dissolved oxygen in a body of water as an indication of the degree of the health of water and its ability to support a balanced aquatic ecosystem. Oxygen – is a clear, colorless, odorless, and tasteless gas that dissolves in water. Small but important amounts of it are dissolved in water. OXYGEN: Aquatic Life Depends on it Plants and Animals depend on dissolved oxygen for survival. Lack of dissolved oxygen can cause aquatic animals to leave quickly they are or face death. Factors Affecting Oxygen Levels Temperature Rate of Photosynthesis Degree of Light Penetration (turbidity & water depth) Degree of Water Turbulence or Wave action The amount of oxygen…