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a condensation nuclei
Cloud formation because clouds must form first before they precipitate. Precipitate happens when the clouds are too heavy, so clouds form first before they precipitate. :D
it usually needs solid particles or a solid surface
No. Tornadoes form from thunderstorms. By definition a tornado must make contact with both the ground and the cloud base. However, small whirlwinds, such as dust devils, can form on cloudless days. These look somewhat like tornadoes, but are nowhere near as strong.
Why do white clouds look black ... I will answer with a question: Why do white kids try to look black? So to answer your question the answer must be: Because it's the popular thing to do!
condensationCondensation creates clouds. Clouds develop in an air mass that becomes saturated (relative humidity becomes 100%).Read more http://www.kgbanswers.com/in-what-process-must-occur-for-clouds-to-form/4008725#ixzz1EQ3cx57a
before clouds can form air must become what?
The air must be moist.
water vapour
a condensation nuclei
The Sun
Cool air and dust Particles
Water vapor and heat must be present for clouds to form. The water is evaporated from the ground and collected into a cloud.
Cloud formation because clouds must form first before they precipitate. Precipitate happens when the clouds are too heavy, so clouds form first before they precipitate. :D
The flowers must be open and contain ripe pollen.
sound
one substance must dissolve in an other