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Distribution Of Water Bodies & Major Sources of fresh Water Video Lecture | Geography for Class 7

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FAQs on Distribution Of Water Bodies & Major Sources of fresh Water Video Lecture - Geography for Class 7

1. What are some major sources of fresh water?
Ans. Some major sources of fresh water include rivers, lakes, groundwater, glaciers, and precipitation in the form of rain or snowfall.
2. How are water bodies distributed on Earth?
Ans. Water bodies on Earth are distributed unevenly. The majority of the Earth's water is in the form of saltwater in oceans and seas, while a smaller percentage is freshwater found in rivers, lakes, and underground aquifers.
3. What are the characteristics of rivers as a water body?
Ans. Rivers are flowing bodies of freshwater. They are characterized by a constant movement of water from higher elevations to lower elevations, carrying sediments and nutrients along their course. Rivers are an important source of water for various human activities such as irrigation and transportation.
4. How are glaciers formed and what role do they play in the distribution of water bodies?
Ans. Glaciers are formed when snow accumulates over time and turns into ice due to the pressure exerted by the weight of the snow above. They play a crucial role in the distribution of water bodies as they store a significant amount of freshwater. When glaciers melt, they release water, which contributes to the formation of rivers, lakes, and groundwater.
5. How does precipitation contribute to the distribution of water bodies?
Ans. Precipitation, in the form of rain or snowfall, is a primary source of fresh water. It replenishes water bodies such as rivers, lakes, and groundwater by directly adding water to them. Precipitation also plays a crucial role in maintaining the water cycle, where water evaporates from bodies of water, condenses in the atmosphere, and falls back as precipitation, ensuring a continuous distribution of water on Earth.
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