Notes and Study material for Exams
Boat and stream problems is a sub-set of time, speed and distance type questions where in relative speed takes the foremost role. We always find several questions related to the above concept in SSC common graduate level exam as well as in bank PO exam. Upon listing the brief theory of the issue below … Read more
Land is a finite resource. Land availability is only about 20% of the earth’s surface. Land is crucial for all developmental activities, for natural Resources, ecosystem Services and for agriculture. Growing Population, growing needs and demands for Economic Development, clean water, food and other products from Natural Resources, as well as degradation of land … Read more
Biodiversity Conservation: A Vital Lifeline for Our Planet The Earth’s biodiversity, the vast array of life forms that inhabit our planet, is a treasure trove of ecological, economic, and cultural value. From the towering redwoods of California to the vibrant coral reefs of the Great Barrier Reef, each species plays a crucial role in maintaining … Read more
Delving into the Earth’s Layers: A Comprehensive Guide to Soil Profiles The ground beneath our feet, seemingly solid and unchanging, is in fact a dynamic and complex system. This intricate tapestry of minerals, organic matter, water, and air, known as soil, plays a vital role in sustaining life on Earth. Understanding the vertical arrangement of … 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
The Silent Erosion: Understanding and Combating Sheet Erosion Sheet erosion, a seemingly innocuous process, silently steals away the fertile topsoil that sustains our agricultural lands and ecosystems. This insidious form of soil degradation, often overlooked in favor of its more dramatic counterpart â gully erosion â poses a significant threat to global food security and … Read more
The Consumer Price Index: A Vital Gauge of Inflation and Economic Health The Consumer Price Index (CPI) is a crucial economic indicator that measures the average change over time in the prices paid by urban consumers for a basket of consumer goods and services. It serves as a vital gauge of inflation, providing insights into … Read more
The Changwon Declaration: A Call to Action for Human Well-being and Wetlands The world’s wetlands are facing unprecedented threats. From habitat loss and degradation to climate change and pollution, these vital ecosystems are under immense pressure. Recognizing the interconnectedness of human well-being and wetland health, the international community came together in 2008 to adopt the … Read more
Agenda 21 for Culture: A Framework for Sustainable Cultural Development Introduction The concept of sustainable development, with its emphasis on balancing economic growth, social equity, and environmental protection, has gained global prominence. While the focus often rests on environmental sustainability, the cultural dimension of sustainable development is equally crucial. Agenda 21, the landmark document adopted … Read more
Cheraw: A Tapestry of History, Culture, and Resilience Nestled in the heart of South Carolina, the town of Cheraw stands as a testament to the enduring spirit of its people and the rich tapestry of its past. From its Native American origins to its pivotal role in the Civil War and its ongoing journey towards … Read more