After reading this essay you will learn about the nitrogen cycle. Nitrogen atoms are constantly moving in a giant circle from the air, through the soil, into the bodies of plants and animals, and eventually back to the air. This whole process is called the nitrogen cycle. All living things need nitrogen to develop and […]
Nitrogen Cycle: Essay on the Nitrogen Cycle | Earth | Geography
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Essay on the Plate Tectonics Theory | Earth | Geography
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After reading this essay you will learn about the plate tectonics theory. Plate Tectonic theory is based on an earth model characterized by a small number of lithospheric plates, 70 to 250 km (40 to 150 mi) thick, that float on a viscous under-layer called the asthenosphere. These plates, which cover the entire surface of […]
Essay on Our Solar System | Hindi | Solar System | Geography
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Read this article in Hindi to learn about our solar system. सूर्य, चंद्रमा, ग्रहों तथा तारों आदि को खगोलीय पिंड कहतें है । सूर्य वास्तव में एक तारा ही है । पृथ्वी सहित आठ ग्रह सूर्य के परित: विभिन्न कक्षाओं में पीरभ्रमण करते रहते हैं । चंद्रमा: चंद्रमा पृथ्वी के परित: परिभ्रमण करता है । […]