ANSWER THESE QUESTIONS
Answers
Answer:
Ans.2 Clouds are usually formed when air rises and the water vapour within it cools. when cooled, water vapour collides with and sticks to tiny particles floating in the air- these are known as condensation nuclei, which include aerosols such as salt and dust.
And.3. If dry weather persists and water supply problems develop, the dry period can become a drought.
Ans.4 The water vapour on colliding with the surface of the glass gets condensed due to which the glass becomes wet.
Ans.5. condensation is the change from a vapour to a condensed state. Evaporation is the change of a liquid to a gas.
Ans.6. the water cycle is the path that all water follows as it moves around earth in different states.
sorry I can't show the diagram
Answer:
Underground water - can be obtained by digging wells
Purest form of water - Rainwater
Flood - Excessive rainfall
Drought - No rainfall for several years
Water cycle - Circulation of water
Q2.
1. The seawater from the surface of the sea is evaporated due to intense heat from sunrays.
2. The water is converted in water vapor, which is in the gaseous form.
3. Tis has lighter density than air, so it floats to the top.
4. The temperature in the area where the water vapor travels is low and cold, so, the vapor condenses.
5. As it condenses clouds are formed.
Q3. Drought occurs when there is no rainfall in an area for several years.
Q4. Our bodies are nearly 70% water, and, the air which we exhale through our mouth comes out of the lungs.
The water vapor from our lungs is let out in this process, so the glasses become wet when we exhale air on them.
Q5. Evaporation converts liquid to gas and condensation does the opposite, condensation converts gas to liquid.
Q6. (in the diagram)
Explanation:
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