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A sodium salt (NaHCO₃) of carbonic acid that can act as a buffer and resists changes in the pH of soil and waterbodies.

(HI)

The apparent temperature that is created by the combined effect of high air temperatures and high humidity levels.

The use of a resource by one individual in such a way that it reduces the availability of that resource to others.

Laws describing the general direction of physical change in the universe; the first law of thermodynamics states the equivalence of heat and work and reaffirms the principle of conservation...

Any activity that refreshes, satisfies, and brings enjoyment to people, in which they engage on a voluntary basis during leisure time. See also concentrated recreation, dispersed...

The critical temperature range beyond which a person feels too hot or too cold. The sensible temperature is affected by relative humidity and wind chill. Compare comfort zone.

A force that acts on a particle, which exists because gravity pulls objects downhill so it opposes shear strength. It promotes downslope movement, and its strength is determined mainly by...

A type of equilibrium that occurs where force and reaction are balanced, and the properties of the system remain unchanged over time. Contrast steady‐state equilibrium.