Cabinet

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Cabinet In a parliamentary system, a group of senior ministers usually drawn from the majority party. In Britain (where cabinet government originated), the cabinet has no constitutional status other than the conventions b} which it operates. It forms the link between the executive and legislative branches of government, as its members must be drawn from the legislature. Cabinet members are bound by the doctrine of collective responsibility: ministers must publicly support decisions taken by the cabinet, or its committees, or else resign. A cabinet may also be found in a non-parliamentary system, such as that of the USA, where it provides the president with an additional consultative body. >> parliament

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When were the First Mechanical Clocks Made?

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The first mechanical clocks are believed to have been made in China in 1088 AD. Later in 1200s, they were first made in Europe. Such clocks made in Europe were driven by a weight on the end of a cord wound round a drum. As the drum rotated, it turned the hands of the clock. The earliest known clock was made in Spain in 1276 AD and the oldest mechanical clock that still works is in Salisbury cathedral in Britain. It was made in 1368. These clocks had devices called escapements to keep the hands turning at the correct rate, so that the clocks depicted the correct time.
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Why does Mistletoe Grow on Trees?

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M istletoe is a plant which grows on branches of higher trees. It is a partial parasite since it has green leaves containing chlorophyll and can make its own food by photosynthesis. It takes the water and minerals it needs from the sapwood of the host tree. It is found growing on trees like apple, hawthorn, willow, poplar and lime . The seeds of mistletoe are spread by birds and once the seed germinates on the host tree, it develops haustorium . The haustorium is a tough structure and ensures of a regular supply of water and nutrients from the sapwood of the host to the mistletoe. The plant then develops a clamp like structure on the tree to be placed firmly.
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Comet

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When was Radar Invented?

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Who Made the First Telescope?

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