Notes and Study material for Exams
Shales are fine-grained Sedimentary Rocks formed of organic-rich mud at the bottom of ancient seas.Subsequent sedimentation and the resultant heat and pressure transformed the mud into shale and also produced natural gas from the organic matter contained in it. Over long spans of geologic time, some of the gas migrated to adjacent sandstones and was trapped in … Read more
AQUA CULTURE the cultivation of aquatic organisms. aquaculture, also known as aquafarming, implies the cultivation of aquatic populations under controlled conditions. Mariculture refers to aquaculture practiced in marine environments. Particular kinds of aquaculture include agriculture (the production of kelp, seaweed, and other algae), fish farming, shrimp farming, shellfish farming, and growing of cultured pearls. Growth … Read more
Environmental influences are important both at the prenatal and postnatal stages of Human Development. At the prenatal stage, when a fetus is in the mother’s womb, internal or external harmful agents, such as certain legal or illegal drugs, alcohol, lead and pollutants can harm the unborn baby’s development. The mother’s Nutrition, diseases and emotional Stress … Read more
What is desalination? Desalination is the process of removing salt from seawater to make it drinkable. It is a vital process in many parts of the world where fresh water is scarce. Water Scarcity Context Types of Desalination Technologies Thermal Processes Membrane Processes Energy Requirements Brine Disposal and Environmental Impacts Costs and Economic Considerations Current … Read more
Fungi fungi, any of about 99,000 known species of organisms of the kingdom Fungi, which includes the yeasts, rusts, smuts, mildews, molds, and mushrooms. There are also many funguslike organisms, including slime molds and oomycetes (water molds), that do not belong to kingdom Fungi but are often called fungi. Many of these funguslike … Read more
The Unseen Threat: Splash Erosion and Its Impact on Soil Health Soil, the foundation of our food systems and ecosystems, is under constant threat from various forms of erosion. While wind and water erosion are often recognized as major culprits, a less visible but equally damaging force lurks beneath the surface: splash erosion. This article … Read more
Fertilizers All Plants need certain mineral nutrients to survive. These Minerals occur naturally in the Soil and are taken up from the soil by the roots of the plants. Most soils usually have enough of these minerals to keep plants healthy. However, some nutrients are gradually used up by the plants, or are washed out … Read more
Sound is measured in decibels (dB). An increase of about 10 dB is approximately double the increase in loudness. A person’s hearing can be damaged if exposed to noise levels over 75 dB over a prolonged period of time. The World Health Organization recommends that the sound level indoors should be less than 30 dB. … Read more
The Rise of Regional Identity: A Comparative Study of the Gujarat and Bihar Movements The 21st century has witnessed a surge in regional identities across India, with movements demanding greater autonomy and control over resources gaining momentum. This trend is particularly evident in the states of Gujarat and Bihar, which have seen distinct yet interconnected … Read more
Impact of Solid Waste; Recycling and Reuse Health AND ENVIRONMENTAL EFFECTS An effective Solid Waste Management system is necessary to avoid public health disasters, spread of disease by insects and vectors and adverse effect on water and air. Solid waste workers are the most exposed to the risks of parasitic infections and accidents, … Read more