Introduction: Cockroaches before they develop completely go through three stages. The life cycle of the cockroach spans six months to one year to complete. Usually, the female cockroach lays 20-40 eggs. The mother cockroach carries her eggs in a sac called as ootheca. Most of the cockroaches are oviparous. It means that the eggs are … Read more
Introduction: Herons fountain model is named after the physicist and mathematician Heron of Alexandria. It is a hydraulic machine is a steam engine that emphasizes on the study of pressure of air and steam. There are many variations of this model that are studied today which explains the theory of hydraulics and pneumatics. Herons fountain … Read more
Introduction: Oxygen cycle is defined as the circulation in various forms through nature. Oxygen cycle is always interconnected with carbon cycle. The oxygen cycle has four main reservoirs atmosphere, inner crust of the earth, hydrosphere and lithosphere. The critical factor that runs the oxygen cycle is the process of photosynthesis, which leads to the earth’s … Read more
Introduction: The cutting down or removal of trees in a forest area or trees, in general, is referred to as deforestation. This results in major environmental problems, one of them been the greenhouse effect. It is very important to create awareness to stop this and encourage reforestation. Forests cover 30 percent of the earth’s area … Read more
Introduction: Parks are the most crucial part of the city planning and important for the development of a healthy environment to the public. Parks are not considered to be a great recreational place for kids and elders but also great for the environment like improved air quality, improve water quality and protect ground water. When … Read more