rashmi

Location new delhi
Gender Female
Age 32 years
Member since June 7th, 2010
Last seen 5 years ago
Topics 17
Replies 189
Points 4.68k

A very simple girl


OIL POLLUTION

Oil pollution generally means pollution caused by petroleum oil. Sources: The major oil pollution in marine environment (sea)is caused by the backage or disaster of oil tanker-ships. ’Torrey Canyon’ oil tanker carrying 1,17,000 tons of crude oil...

MARINE POLLUTION

Marine pollution involves the pollution of sea water and the coastal zones. Marine pollution is termed as the changes developed in the coastal sea water and coastal land zones by the industrial wastes, oil spills etc that are harmful. Sources The...

PLASTIC POLLUTION

The pollution that is caused by organic polymer materials such as plastic on the environment thereby having harmful effect on human being is known as plastic pollution. Plastic mainly can be divided in two broader classifications...

EUTROPHICATION

Eutrophication is the process in the nutrients of waters and the resultant sudden increase in algal production. Eutrophication is basically a natural phenomenon which gets enhanced through the agricultural activities. Generally the lakes or ponds...

AGRICULTURAL POLLUTION

The soil pollution that comes from different sources such as animal wastes, use of fertilizers, use of pesticides, fungicides, herbicides and nematocides that pollutes the land or soil and makes it unfit for further use is known or agricultural...

SOIL POLLUTION

Soil pollution or land pollution is the contamination of land-with domestic wastes, industrial and commercial wastes, chemical fertilizers, pesticides etc. which makes the soil or land unfit for normal living, boil pollution involves the following...

Water borne pathogens and other Organisms in water

Source : Micro-organisms of diverse aquatic life such as bacteria, fungi, and algae to higher organisms such as fish live in natural waters. In pure water, the density of these organisms are comparatively less when compared to the polluted water....

Photo Chemical Smog

The phenomenon of ‘photochemical smog’ is characterized by the formation of aerosols that reduce visibility and generation of brown hazy fumes that irritate the eyes and lungs. These fumes also affect vegetation and rubber goods. High...

Acid Rain

Rains in general cleanse the ground waters apart from recharging the water sources. Rain water is acidic with a pH of 5.6 to 5.7 This is because of the reaction of water with CO2 to give carbonic acid, which is a weak acid. This small amount of...

Air Pollution

Pollution associated with the urban development result in a spectrum of chemical and biological changes in our environment. Environment is composed of air, water and soil. These are inter- connected. Anything discharged into one compartment (air,...

EARTHQUAKES AND VOLACANOES

Earth Quakes: The sudden tremors or shaking of the earth’s crust for a few seconds is called an earthquake. When a part of the earth’s surface moves backward and forward or up and down, the earth’s surface ‘quakes’, and these are called the...

WINDS

The movement of air which is caused by the non-uniform heating of Earth by Sun is called as Wind Wind Speed: Sometimes wind blows gently, refreshingly us. At other times, it blows strongly creating storms that cause widespread damages. We need...

The Atmosphere

The envelope of air which is surrounded completely over the earth is known as atmosphere. The atmosphere extends to about 1000 km from the surface of the earth. But 99% of the total mass of the atmosphere is found within 32 km. This is...

Latitudes and Longitudes

The north-south lines are known as meridians of longitude and extend from the North Pole to the South Pole. All meridians are halves of great circles. The east-west lines (circles) are known as parallels of latitude. All parallels of latitudes...

Oceans on the earth

There are four oceans. In order of their size, they are : Pacific Ocean, Atlantic Ocean, Indian Ocean, Arctic Ocean. PACIFIC OCEAN The explorer Ferdinand Magellan, who circumnavigated the Earth, named the ocean “Pacific” meaning calm or...

Risk and Electronic Payment Systems

One important challenge of e-commerce is risk management. The working of the payment systems incurs three major risks; mistake, privacy problems and credit risk. Risks from Mistake and Disputes Consumer Protection Virtually all electronic...

Electronic Cash

Electronic cash (e-cash) is a new technology for on-line systems for making payments as it is the combination of computers accompanied with security as well as privacy as compared to paper cash. E-cash provides some interesting properties that...

Electronic Commerce and the World Wide Web

E- commerce is referred to as a new business technique that takes care of the requirements of firms, consumers etc for cutting costs and enhancing the goods quality & the speed of services. The requirement for e-commerce comes from the need inside...

There are some basic concepts regarding e-commerce. We have fitted this as consumer oriented because all that we are dealing is how to supply the items needed by the consumer at his doorsteps. Basic Tenets of E-Commerce in a Consumer Oriented...

Concept of Commerce & E-Commerce

Commerce is normally associated with the buying and selling of items. Traditionally, commerce is one of the oldest activities of human beings and the concept of traders selling and buying items is a part of history. Normally the activity of...