Water vapour is a constituents in air because water vapour rises in the atmosphere & is always present in the atmospere in some or the other quantity.Also 0.0001% of air consist water vapour
If it happens in a cloud, the drops combine until too heavy, and it rains.
evaporation is when water vapour rises up and condensation is when water vapour turns into clouds
Clouds are formed when water vapour in the air is cooled and condenses as part of watercycle.clouds consist of billions of tiny water droplets (and even ice crystals) floating in the sky and appear in variety of shapes and sizes depending on how and where they are formed.however,there are three main types of clouds.Water evaporates from lakes, rivers and oceans as well as forests. The water vapour rises into the sky. The temperature is lower as height increases and the water molecules start to condense into tiny droplets. We see these droplets as fog when they are close to the Earth but as clouds when they are above us in a layer of cold air. As more and more water vapour condenses the clouds lose their white colour and become darker until eventually the water droplets are big enough to fall back to the Earth without evaporating.Water vapour
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The cast of Vapour Trail - 2002 includes: Shihiko Anakura Aya Endo Toru Yoshie
Water vapour.
Ice crystals of frozen exhaust particles.
All aircraft engines emit hot air and they are usually flying in very cold air, so the hot air appears as a vapour trail.
That trail is called a contrail, which is short for "condensation trail." It forms when water vapor from the engine exhaust condenses and freezes into ice crystals in the cold air at high altitudes.
Clouds are a natural part of the atmosphere, they consist of water vapour, which generally speaking isn't harmful.
Another name for a plane vapor trail is a contrail, short for condensation trail. Contrails are formed when water vapor from the engine exhaust of an aircraft condenses into ice crystals due to the cold temperatures at high altitudes.
Water vapour is a constituents in air because water vapour rises in the atmosphere & is always present in the atmospere in some or the other quantity.Also 0.0001% of air consist water vapour
The white trail is called a contrail which is short for condensation trail. The fumes that are emitted from the engines of planes contain a large amount of water vapours. When the plane is at a high altitude, the temperature can be low enough to freeze the water vapour into tiny crystals which we see as a white trail. The trail disappears when the water evaporates.
The jet contrails are exaust from the jet engines, which is mostly carbon dioxide and water vapour.
When charged particles pass through a 'Cloud Chamber'; a chamber in which the condensation is only just occurring; occasionally they will alter, by collision, the charge on a water vapour molecule. Thus this vapour molecule will be attracted to an adjacent vapour molecule and condense to a droplet. And be seen.