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Clouds can be transparent, translucent or opaque, depending on the quantity of water vapor in it. All 3 cannot be true at the same time. If the vapor density is low, the clouds are transparent. The visual property of a cloud shows up from a distance.
Condensation is the change of the physical state of matter from the gas phase into the liquid phase, and is the reverse of vaporization. ... It can also be defined as the change in the state of water vapor to liquid water when in contact with a liquid or solid surface or cloud condensation nuclei within the atmosphere.
1a : government by the people especially : rule of the majority. b : a government in which the supreme power is vested in the people and exercised by them directly or indirectly through a system of representation usually involving periodically held free elections. 2 : a political unit that has a democratic government.
Periodization in history has changed over time. We divide history into periods on the basis of something which has had a profound impact on the way we live. For e.g.- some historians say that the change from the ancient to the medieval period occurred with the arrival of Turks in India.