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Liquid that does not freeze at low temperatures; used in cooling and heating systems

A red light at the back of a vehicle that is automatically illuminated when the brakes are applied

[Latin acidus — acidic and Greek philia — love, friendship] — organisms, predominantly bacteria, that are able to live at considerable acidity.

— a limiting value of an ecosystem’s condition parameter, at which significant reversible changes of ecosystem start, that stay within the boundaries of stability area.

– an average space that fits one individual of a considered population. By consideration of human society B.s. is a territory required for sufficing the needs of one pers

– index of a water contamination by the organic compounds determined by a quantity of oxygen that was taken per a time unit (usually 5 days – BCO5) at the acidification o