In arc welding, eyes need to be protected against the tiny chips of metals and from the harmful radiation of either UV or IR radiations.... View Article
The number of planar atoms in SF6 are 5. This is because the structure of SF6 is octahedral. There are 4 planar atoms in Fluorine and 1 in... View Article
Being highly reactive elements, sodium and potassium are stored in kerosene. They are likely to catch fire easily even when they come in contact... View Article
The modern periodic law states that the physical and chemical properties of elements are the periodic functions of their atomic number. The... View Article
Conservation of resources involves protecting valuable resources like minerals, wildlife, trees, water and others. Resource conservation also... View Article
Reproduction is essential for living organisms in order to continue generation after generation. It maintains the variation present in a... View Article
Rivers refer to any natural stream of water that flows in a channel with defined banks. Lakes refer to any large body of water surrounded by... View Article
Sewage is a type of wastewater produced by a community of people due to activities like bathing, washing, cleaning. It also contains faecal... View Article
Tentacles are tender and flexible elongated organ found in most invertebrates. Tentacles help the animal to move, feed, grasp, and gather sensory... View Article
The following are the causes of water pollution: Industrial waste: Many industries produce toxic chemical wastes and pollutants that are not... View Article
The reaction which takes place in the presence of sunlight is photosynthesis. &nbps; The reaction involved in the photosynthesis is given below:... View Article
There are many species of animals and birds that are getting extinct because of the following reasons: The natural occurrences such as either... View Article
Nutrition is of two types namely: Autotrophic Heterotrophic Autotrophic animals make their food by using sunlight. Heterotrophic animals depend... View Article
Biosheet is a type of sheet that is ruled on one side and plain on another side. It is similar to the practical book. It also features columns... View Article
