Vidura Dananjaya 
Proteins – poly-peptide chains. Proteins are the most versatile molecules of natural bio molecular plans. From a chemical point of view, proteins are the most structurally complex and functionally sophisticated molecules which are made up of twenty amino acids with different chemical properties joining with peptide bonds. Proteins are therefore known as polypeptides. Each type … Read more
What is Eutrophication? Eutrophication is an outcome of the process of adding excessive nutrients like nitrates, phosphates and organic matter into a lake or other water body. Algal blooming usually caused by runoff of nutrients such as animal waste, fertilizers or raw sewage from the land. This causes a dense growth of plant life in … Read more
What is the Indoor Air Pollution? Indoor air pollution can be simply defined as the pollution at home or work place. There are number of sources at our home or working place that can induce the process of air pollution. Sources of indoor air pollution. Indoor cooking using fire wood. Cigarette smoke. Incense sticks stick … Read more
A smog is a combination of smoke and fog. The initial reaction of photochemical smog is the photolysis of nitrogen dioxide (NO2) into nitrogen (NO) monoxide and ozone (O3). [g_article_ads] Nitrogen dioxide is found in the exhaust gases given out from automobiles and industries. This NO2 dissociates in the presence of UV radiation emit with … Read more
Greenhouse Effect. Greenhouse effect is a mechanism of maintaining the temperature of our earth. The earth heats up from the radiation received from the sun and the heat is reflected back into the atmosphere in the form of infra-red (IR) radiation. The earth receives a large amount of radiant energy from the sun and about … Read more
Air pollution can be defined as the introduction of various material that cause harm or discomfort to living being including humans, natural vegetation and structures in to the atmosphere. These materials can be chemicals, particulate materials or biological materials which have the capability of acting adversely on natural ecosystem when they present in a sufficient … Read more
What is an acid rain? Acid rain is a rain with a lower pH value than the normal natural rain. It has a lower pH value which lies between pH 4 to pH 5. Sometimes the pH value can be lower than pH 4. Usually, the natural rain water is slightly acidic. Its pH value … Read more
Starting your own Handicraft Business. If we know what we want to do in relevant time with confidence, there are many ways to start a handicraft business. As we know, we can create our own products/ items & sell them or start to sell others products as a dealer. When we do that, we can … Read more
What is the definition of Handicraft? Handicrafts are represented the uniqueness, tradition, culture, heritage, lifestyles, etc. So it’s sometimes like a symbol or sign which express a country to the whole world. According to the reports, the handicraft industry is one of the important productive areas in our country & most people doing it for … Read more
What is the Network? A network is a connected system of two or more devices together to share resources. The devices such as computers, mobiles, tablets, etc. are connected to share resources like files, websites, movies, songs, etc. There are different types of networks known as Personal Area Network (PAN), Local Area Network (LAN), Metropolitan … Read more