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Water potential is the potential energy of water per unit volume relative to pure water in reference conditions. Water potential quantifies the tendency of water to move from one area to another due to osmosis , gravity , mechanical pressure and matrix effects such as capillary action (which is caused by surface tension ).
The three-finger salute is a hand gesture made by raising the index, middle and ring fingers, while holding the thumb to the little finger, and raising the hand with the palm facing out in a salute. The gesture was popularized in the 2010s after its use in The Hunger Games as a symbol of revolution .
Water vapor concentration for this gas mixture is 0.4%. Water vapor is a greenhouse gas in the Earth's atmosphere, responsible for 70% of the known absorption of incoming sunlight, particularly in the infrared region, and about 60% of the atmospheric absorption of thermal radiation by the Earth known as the greenhouse effect. [25]
The royal wave, also known as a regal wave, pageant wave, parade wave, or Miss America wave, is a similar but distinct kind of hand waving gesture in which a person executes something alternatively described as either a 'plastic grin' with 'fingers cupped' and 'forearm swaying side-to-side' or a "vertical hand with a slight twist from the wrist ...
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An atmospheric wave is a periodic disturbance in the fields of atmospheric variables (like surface pressure or geopotential height, temperature, or wind velocity) which may either propagate (traveling wave) or be stationary (standing wave). Atmospheric waves range in spatial and temporal scale from large-scale planetary waves (Rossby waves) to ...
Salutes are primarily associated with the military and law enforcement, but many civilian organizations, such as Girl Guides, [2] Boy Scouts and the Salvation Army [3] use formal salutes. Ordinary civilians also salute informally to greet or acknowledge the presence of another person, such as a tip of the hat or a hand wave to a friend or neighbor.
Over 99% of atmospheric water is in the form of vapour, rather than liquid water or ice, [17] and approximately 99.13% of the water vapour is contained in the troposphere. The condensation of water vapor to the liquid or ice phase is responsible for clouds , rain, snow, and other precipitation , all of which count among the most significant ...