There are over 37 different shades of green such as forest green, army green, chartreuse, olive, lime, tea green, shamrock, etc.
British racing green
Shades of green
British racing green, or BRG, a colour similar to Brunswick green, hunter green, forest green or moss green (RAL 6005), takes its name from the green international motor racing colour of the United Kingdom. Although there is still some debate as to an exact hue for BRG, currently the term is used to denote a spectrum of deep, rich greens. "British racing green" in motorsport terms meant only the colour green in general – its application to a specific shade has developed outside the sport.
In the days of the Gordon Bennett Cup, Count Eliot Zborowski, father of inter-war racing legend Louis Zborowski, suggested that each national entrant be allotted a different colour. Every component of a car had to be produced in the competing country, as well as the driver being of that nationality. The races were hosted in the country of the previous year's winner. Britain had to choose a different colour to its usual national colours, red, white and blue, because those colours had already been taken by Italy, Germany and France respectively.
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Varieties of the color green may differ in hue, chroma (also called saturation or intensity) or lightness (or value, tone, or brightness), or in two or three of these qualities. Variations in value are also called tints and shades, a tint being a green or other hue mixed with white, a shade being mixed with black. A large selection of these various colors is shown below.
Green is common in nature, especially in plants. Many plants are green mainly because of a complex chemical known as chlorophyll which is involved in photosynthesis. Many shades of green have been named after plants or are related to plants. Due to varying ratios of chlorophylls (and different amounts as well as other plant pigments being present), the plant kingdom exhibits many shades of green in both hue (true color) and value (lightness/darkness). The chlorophylls in living plants have distinctive green colors, while dried or cooked portions of plants are different shades of green due to the chlorophyll molecules losing their inner magnesium ion.
Science of drugs including their origin, composition, pharmacokinetics,
pharmacodynamics, therapeutic use, and toxicology.
Pharmacology (from Greek φάρμακον, pharmakon, "poison" in classic Greek; "drug" in modern Greek; and -λογία, -logia "study of", "knowledge of") is the branch of medicine and biology concerned with the study of drug action, where a drug can be broadly defined as any man-made, natural, or endogenous (within the body) molecule which exerts a biochemical and/or physiological effect on the cell, tissue, organ, or organism. More specifically, it is the study of the interactions that occur between a living organism and chemicals that affect normal or abnormal biochemical function. If substances have medicinal properties, they are considered pharmaceuticals.
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Hospitality is the relationship between the guest and the host, or the act or practice of being hospitable. This includes the reception and entertainment of guests, visitors, or strangers.
The word hospitality derives from the Latin hospes, meaning "host", "guest", or "stranger". Hospes is formed from hostis, which means "stranger" or "enemy" (the latter being where terms like "hostile" derive).