Wednesday, October 13, 2010

Pollution and its effects

Pollution is a very important concern which cannot be neglected. Pollution comes from the word pollute which means spoiling or making the environment dirty.

Environmental pollution consists of five basic types of pollution, namely, air, water, soil, noise and light.

Air pollution is cause by the injurious smoke emitted by cars, buses, trucks, trains, and factories, namely sulphur dioxide, carbon monoxide. Air pollution effects are very severe.

Humans pollute water with large scale disposal of garbage, flowers, ashes and other household waste. Now discussing on Water pollution information, it is caused due to industrial waste products released into lakes, rivers, and other water bodies.

Noise pollution, soil pollution and light pollution too are the damaging the environment at an alarming rate. Noise pollution include aircraft noise, noise of cars, buses, and trucks, vehicle horns, loudspeakers.

Pollution is a greatest problem that the world is facing today is that of environmental pollution, increasing with every passing year and causing grave and irreparable damage to the earth.

Atom and its structure


I would say the definition of atom" as basic unit of matter; it can also called the building blocks of anything which exists in form". The central portion of an atom is known as the atomic nucleus. Atoms consist of protons, which carry positive charge, neutrons, which carry no electric charge.


 Protons are the positively charged particles, and electrons are negatively charged. Atoms make up matter and matter makes up the universe. 

Atoms get together to form molecules. Atoms are made of electrons and protons,When atoms of different elements come together, compound molecules are formed. As you might know, there are two types of compounds, ionic and covalent. The ions of ionic compounds are bound together due to the electrostatic forces between oppositely charged bodies.

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