The saltwater on Earth functions as a heat reservoir and mainly influences weather patterns and climate, as well as the water cycle. In fact, it covers more than 70% of Earth’s surface. Most of the water found on Earth is saltwater. It has a high concentration of salt, hence the name saltwater. Saltwater is water found in oceans and seas. Although freshwater is critical to life on Earth, it faces threats from many forces, including overdevelopment, global warming, and polluted runoff. Other notable features that set freshwater apart from seawater include its lower density and freezing point of 0 degrees Celsius. Therefore, they cannot survive in areas with high salt concentrations. Plants and animals inhabiting freshwater bodies are adapted to this low concentration. But it is also home to around 40% of fish species and 10% of all animals.įreshwater has a very low salt concentration compared to saltwater, even less than 1%. Freshwater habitats are usually less than 1% of the Earth’s total surface area. These sources include frozen and meltwater, natural precipitations, surface runoffs, as well as groundwater. It is present in various water bodies such as lakes, ponds, reservoirs, rivers, wetlands, glaciers, icebergs, etc. However, only 3% of the water on Earth is freshwater. Freshwater is vital for human and animal lives on Earth. – Comparison of Key Differences Key Termsįreshwater is naturally occurring water that contains a low concentration of salts and other dissolved solids. Difference Between Freshwater and Saltwater Other sources of water on Earth, including frozen and meltwater, natural precipitations, surface runoffs, and groundwater, fall under the category of freshwater. Saltwater or seawater is the water in oceans and seas. We can categorize the water on Earth into two categories as freshwater and saltwater. All of the entries have been written and approved by actual scholars, which means you won’t have a problem when it comes time to cite sources. In addition to our massive store of reference material for fellow mariners, we are providing online bookings for various Maritime courses in maritime institutes across India.The main difference between freshwater and saltwater is that freshwater has a lower salt concentration and density than saltwater. The collaborative and constantly updated encyclopedia is free for everyone to use and perfect for candidate who are preparing for MMD written or oral exams such as Second mate, Chief mate or Masters. Searchable index include more than 2000 nautical topics in expected MMD written and oral exams with pinpoint answer, making our site a good all around tool for MMD exams preparation. Our encyclopedia covers a great collection of study materials and detailed notes in subjects such as Navigation, Cargo work, Ship operation technology, Meteorology, ROR and Ship Stability etc. It is a benevolent reference work for Maritime community in an exhaustive manner. Marine Gyaan Encyclopedia is a free online resource aims to document all maritime subjects and queries to replace bulky reference books. is not just another website it’s a mission to create World’s Biggest Online Marine Encyclopedia for the World and to find solutions that are of extreme importance to all seafarers across the globe. Motor Engineering – MEO CLASS 4 MMD PAPER.GENERAL ENGINEERING KNOWLEDGE – MEO CLASS 4 MMD PAPER.Naval Architecture – MEO CLASS 4 WRITTEN PAPER.Previous Years MMD Function wise Questions.EXERCISE 37- LONGITUDE BY CHRONOMETER STAR.EXERCISE 35 – LATITUDE BY MERIDIAN ALTITUDE STAR.EXERCISE 30 - LATITUDE BY MERIDIAN ALTITUDE SUN.
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