Question

1. Explain the importance of water vapour in the atmosphere.

Answer 1

Answer:

1. Water vapor is also the most important greenhouse gas in the atmosphere. Heat radiated from Earth's surface is absorbed by water vapor molecules in the lower atmosphere. The water vapor molecules, in turn, radiate heat in all directions. Some of the heat returns to the Earth's surface.

2. The difference between evaporation and condensation is that evaporation happens before a fluid arrives at its limit, while condensation is a stage change paying little heed to the temperature. Evaporation is continuous when the air is dry, hot, and breezy, while during condensation, fume changes into fluid after arriving at the edge energy level.

3. Hailstones are formed when raindrops are carried upward by thunderstorm updrafts into extremely cold areas of the atmosphere and freeze. Hailstones then grow by colliding with liquid water drops that freeze onto the hailstone's surface.

4. Cloud is an aerosol consisting of a visible mass of minute liquid droplets, frozen crystals, or other particles suspended in the atmosphere of a planetary body or similar space. Water or various other chemicals may compose the droplets and crystals. On Earth, clouds are formed as a result of saturation of the air when it is cooled to its dew point, or when it gains sufficient moisture (usually in the form of water vapor) from an adjacent source to raise the dew point to the ambient temperature. They are seen in the Earth's homosphere, which includes the troposphere, stratosphere, and mesosphere.

Answer 2

Answer:

Explanation:

1. Explain the importance of water vapor in the atmosphere?

Importance of water vapour in the atmosphere is that it helps in the process of water cycle. Due to evaporation, water evaporates and changes to water vapour. When water vapour goes up, it mixes with dust particles and other gases to form clouds.

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2. Differentiate between condensation and evaporation?

By its definition,the  evaporation is a process where water changes into vapour

the  Condensation is the opposite process where water vapour is converted to tiny droplets of water. Evaporation occurs before a liquid reaches its boiling point. Condensation is a phase change regardless of the temperature

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3. With the help of a flow chart explain the process of hail formation?

The Hailstones are formed when raindrops are carried upward by thunderstorm updrafts into extremely cold areas of the atmosphere and freeze. Hailstones then grow by colliding with liquid water drops that freeze onto the hailstone's surface.

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4. How are clouds formed?

the Clouds are formed when moist air rises upward. As the air rises, it becomes colder. Eventually the air can't hold all of the water vapor in it, and some of the water vapor condenses to form tiny water droplets. ... Clouds form at a wide range of altitudes, from near the ground to very high in the atmosphere.

or

The process of evaporation followed by condensation causes the formation of clouds. Water present on the earth’s surface gets evaporated due to sunlight, and then rises up in the atmosphere. On reaching a certain height, water vapour present in air condenses to form tiny droplets of water. These water droplets collect to form clouds that float in air.

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