Dollar bill

A dollar bill is a banknote (or bill) of any of the currencies that are named dollar. Note that some of these currencies may have coins for 1 dollar instead of notes.

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Dollar

Dollar (often represented by the peso and dollar sign $) is the name of several currencies, including those of Australia, Belize, Brunei, Canada, Hong Kong, Jamaica, Namibia, New Zealand, Singapore, Suriname, Taiwan, the United States, and previously Zimbabwe. The U.S. dollar is the official currency of East Timor, Ecuador, El Salvador, Federated States of Micronesia, Marshall Islands, Palau, the Caribbean Netherlands, and for banknotes, Panama. Generally, one dollar is divided into one hundred cents.

History

in 15 January 1520, the Kingdom of Bohemia began minting coins from silver mined locally in Joachimsthal (Czech Jáchymov). The coins were called "Joachimsthaler," which became shortened in common usage to thaler or taler. The German name "Joachimsthal" literally means "Joachim's valley" or "Joachim's dale". This name found its way into other languages: Czech tolar, Hungarian tallér, Danish and Norwegian (rigs) daler, Swedish (riks) daler, Icelandic dalur, Dutch (rijks)daalder or daler, Ethiopian ታላሪ ("talari"), Italian tallero, Polish talar, Persian dare, as well as - via Dutch - into English as dollar.

Black

Black is the darkest color, the result of the absence of or complete absorption of light. It is the opposite of white (the combined spectrum of color or light). It is an achromatic color, literally a color without color or hue. It is one of the four primary colors in the CMYK color model, along with cyan, yellow, and magenta, used in color printing to produce all the other colors.

Black was one of the first colors used by artists in neolithic cave paintings. In the 14th century, it began to be worn by royalty, the clergy, judges and government officials in much of Europe. It became the color worn by English romantic poets, businessmen and statesmen in the 19th century, and a high fashion color in the 20th century.

In the Roman Empire, it became the color of mourning, and over the centuries it was frequently associated with death, evil, witches and magic. According to surveys in Europe and North America, it is the color most commonly associated with mourning, the end, secrets, magic, force, violence, evil, and elegance.

Leaf

A leaf is an organ of a vascular plant and is the principal lateral appendage of the stem. The leaves and stem together form the shoot.Foliage is a mass noun that refers to leaves collectively.

Typically a leaf is a thin, dorsiventrally flattened organ, borne above ground and specialized for photosynthesis. Most leaves have distinctive upper (adaxial) and lower (abaxial) surfaces that differ in colour, hairiness, the number of stomata (pores that intake and output gases) and other features. In most plant species, leaves are broad and flat. Such species are referred to as broad-leaved plants. Many gymnosperm species have thin needle-like leaves that can be advantageous in cold climates frequented by snow and frost. Leaves can also have other shapes and forms such as the scales in certain species of conifers. Some leaves are not above ground (such as bulb scales). Succulent plants often have thick juicy leaves, but some leaves are without major photosynthetic function and may be dead at maturity, as in some cataphylls, and spines). Furthermore, several kinds of leaf-like structures found in vascular plants are not totally homologous with them. Examples include flattened plant stems (called phylloclades and cladodes), and phyllodes (flattened leaf stems), both of which differ from leaves in their structure and origin. Many structures of non-vascular plants, and even of some lichens, which are not plants at all (in the sense of being members of the kingdom Plantae), look and function much like leaves. The primary site of photosynthesis in most leaves (palisade mesophyll) almost always occurs on the upper side of the blade or lamina of the leaf but in some species, including the mature foliage of Eucalyptus palisade occurs on both sides and the leaves are said to be isobilateral.

The National

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