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Questions and Answers
Which type of nuclei can form clouds when the relative humidity is less than 100%?
Which type of nuclei can form clouds when the relative humidity is less than 100%?
- Oil particles
- Hydrophobic nuclei
- Hygroscopic nuclei (correct)
- Volcanic ash
What is the main difference between hygroscopic and hydrophobic nuclei?
What is the main difference between hygroscopic and hydrophobic nuclei?
- Hygroscopic nuclei are water-seeking, while hydrophobic nuclei are water-repelling (correct)
- Hygroscopic nuclei can form clouds when the relative humidity is 100%, while hydrophobic nuclei can form clouds when the relative humidity is less than 100%
- Hygroscopic nuclei are found in oil and gasoline particles, while hydrophobic nuclei are found in volcanic ash and salt particles
- Hygroscopic nuclei can form clouds at higher altitudes, while hydrophobic nuclei can form clouds at lower altitudes
What is the most common way to form clouds?
What is the most common way to form clouds?
- Adiabatic cooling when moist air rises (correct)
- Radiative cooling at night
- Condensation of water vapor
- Evaporation of water droplets
How are clouds normally classified?
How are clouds normally classified?
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Which type of cloud tends to produce the most precipitation?
Which type of cloud tends to produce the most precipitation?
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