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| History | Prehistory |
| The study of time period succeeding prehistory is called history | The study of the time period preceding history is called prehistory. |
| History is the study of the past starting from the time period when the writing system was introduced and written records were maintained. | Prehistory is the study of the past, even before writing was invented and written records were maintained. It is the study of the time period between the usage of stone tools and the invention of the writing system. |
| Written records of the past events are the source of information. | Artifacts, Carvings on rocks etc are the sources of information while studying prehistory. |
| Research on History is carried out by historians. Rare manuscripts written on leaves, dried animals skins, and papers are some of the sources used to study history. | Research on prehistory is carried out by archaeologists and anthropologists who use excavation, geology, molecular genetics, palaeontology etc. Hence a wide variety of social and natural sciences are used to study prehistory. |
| Study of History can be classified into different domains like Ancient History, Contemporary History, Modern History, Political History, Military History, Cultural History, Economic History, Environmental History, History based on different Geographical locations, People’s history, Intellectual history etc. | Prehistory studies 3 different time periods – stone age, bronze age and iron age. |
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Water cycle is the cyclic movement of water from the atmosphere to the earth and back to the atmosphere through various processes. This constant, never ending circulation of water in nature is known as the water cycle.
The process includes:
Evaporation: Water in seas, rivers, lakes, ponds or streams evaporates because of the heat of the sun.
Transpiration: Plants give out a large amount of water through their leaves
Condensation: Water vapor rises up and condenses on dust particles to form cloud.
Precipitation: Water stored in clouds reaches the ground in the form of rain, hail or snow.
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Trivendra Singh 6 years, 2 months ago
1Thank You