It was invented by the Romans 1BC.
They are use to improve our eyesight and is placed over the nose
They also has a structure that is posicionated above the ears
martes, 6 de mayo de 2014
jueves, 1 de mayo de 2014
UNIT 8 GLOSSARY : ENERGY AND INDUSTRY
biomass: organic material used as a fuel that releases energy when burned
craftsperson: a person who makes products using basic tools and manual labour
decentralisation: a system in which the production process is divided up between factories in different regios or countries
energy: power tgat comes from the utilization of physical or chemical resources to provide light and heat
extraction: the process by which minerals are obtained from the ground by mining
fossil fuels: fuels that are formed by the descomposition of buried organic materials and exposure to heat and pressuere producing subtances such as coal oil and gas
industry : any economic activity that produces a service or transforms raw materials into consumer good
management : the people that run a company and ensure that goods and services of a high enough quality are produced and sold at competitive prices
mechanisation: the use of machinery in the production process
mineral the process of extracting minerals from the ground
multinational : a company which produces and sells its goods in several countries and that usually has offices all over the world
raw materials: materials found in nature that can be transformed through industrial processes into usable products
self-employed: earning a living from one´s own bussiness
workface: the employeed required to produce goods and services
lunes, 21 de abril de 2014
sábado, 22 de marzo de 2014
martes, 18 de marzo de 2014
GEOGRAPHY 7
Housed
livestock: Livestock fed with fodder in farm buildings. This type of
livestock must pass strict sanitary and quality controls
Cattle: are
the most common type of large domesticated ungulates.
Fodder: is
any agricultural foodstuff used specifically to feed domesticated livestock,
such as cattle, goats, sheep, horses, chickens and pigs.
Rear: To
care for, breed and grow animals until maturity.
Plot: An
area of land where crops are grown. It can vary in sixe, shape or borders
Soil: The
subtance on the surface of the Earth in which plants grow, produced mainly by
the weathering of rock.
Crop
rotation: The practice of growing different types of crops in the same
area in sequential seasons. This method improves sil fertility and resistance
to disease and pests
Fishing
grounds: An area of water that is used for fishing.
Aquaculture: is
the farming of aquatic organisms such as fish, crustaceans, molluscs and
aquatic plants.
Monoculture: is the agricultural practice of producing or growing a single crop or plant species over a wide area and for a large number of consecutive years
Greenhouses: is a building in which plants are grown
Subsistence agriculture: A type of agriculture in which farmers only grow enough food to feed themselves and their families.
Overfishing: is
a form of overexploitation in which fish stocks are depleted to unacceptable
levels, regardless of water body size.
Fleets: is
an aggregate of commercial fishing vessels
School of
fish: many fishes together
Intensive
agriculture: is an agricultural production system characterized by a
low fallow ratio and the high use of inputs such as capital, labour, or heavy
use of pesticides and chemical fertilizers relative to land area.
Extensive
agriculture: An agricultural system that uses small inputs of labour,
fertilisers, and capital, relative to the area of land that is being farmed.
Dryland
farming: Farming in which the fields receive only rainwater.
Irrigated
farming: Farming in which the water from groundwater, reservoirs or rivers
is brought to fields.
Polyculture: is
agriculture using multiple crops in the same space, in imitation of the
diversity of natural ecosystems, and avoiding large stands of single crops, or
monoculture. It includes multi-cropping, intercropping, companion planting,
beneficial weeds, and alley cropping.
Shifting
cultivation: is an agricultural system in which plots of land are
cultivated temporarily, then abandoned and allowed to revert to their natural
vegetation while the cultivator moves on to another plot
Livestock
farming: Farming bassed on rearing animals to obtain products.
lunes, 17 de marzo de 2014
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