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प्रश्न
How are the clouds formed?
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उत्तर
Clouds are formed by the process of evaporation and condensation. Water from the oceans, rivers, lakes, ponds, plants, fields, and other land surfaces evaporates, gets into air, and rises up in the atmosphere. At a certain height when the air becomes cooler, water vapour contained in air condenses. On condensation, these form water droplets. These water droplets collect and float in air as clouds.
संबंधित प्रश्न
Why is ocean water not suitable for domestic use?
At temperature below _______ water freezes to form ice.
Water droplets Combines to forms _____.
What are the uses of recycled water?
The process of changing of water into its vapour is called ______.
State for the following whether it is due to evaporation or condensation:
Fog appearing on a cold winter morning.
Water evaporates into air from oceans, rivers, and lakes but not from the soil.
One of the following processes is not a step involved in the water-cycle operating in nature
There is mass mortality of fishes in a pond. What may be the reasons?
Some definitions are given below which can be corrected by changing one word. Correct them.
- Aquifer is ground water stored between layers of hard rock above the water table.
- The process of evaporation of water in the ground is called infiltration.
- The evaporation of water from oceans and its arrival back into oceans is called vapour cycle.
