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GCSE Bitesize was launched in January 1998, covering seven subjects. For each subject, a one- or two-hour long TV programme would be broadcast overnight in the BBC Learning Zone block, and supporting material was available in books and on the BBC website. At the time, only around 9% of UK households had access to the internet at home.
Unusual among BBC services, few to no programme shown on the BBC Learning Zone is available to be watched again on the BBC iPlayer, due to rights restrictions on the programmes. As compensation, the BBC launched a section called Learning Zone Broadband , or more simply Class Clips which includes segments from Learning Zone as well as clips ...
The gas used is usually inert, or of a nature that protects the integrity of the packaged goods, inhibiting unwanted chemical reactions such as food spoilage or oxidation. Some may also serve as a propellant for aerosol sprays like cans of whipped cream. For packaging food, the use of various gases is approved by regulatory organisations. [1]
Mixed flowing gas (MFG) is a type of laboratory environmental testing for products, particularly electronics, to evaluate resistance to corrosion due to gases in the atmosphere. Mixed Flowing Gas (MFG) test is a laboratory test in which the temperature (°C), relative humidity (%RH), concentration of gaseous pollutants (in parts per billion ...
Media in category "BBC test cards" The following 3 files are in this category, out of 3 total. B. File:BBC Test Card H.jpg; T. File:Testcard c.jpg; File:Testcard E2.jpg
By addressing food loss and waste, greenhouse gas emission mitigation is also addressed. By only focusing on dairy systems of 20 value chains in 12 countries, food loss and waste could be reduced by 4-10%. [75] These numbers are impactful and would mitigate greenhouse gas emissions while still feeding the population. [75]
The Global Food Security Index consists of a set of indices from 113 countries. It measures food security across most of the countries of the world. [ 1 ] It was first published in 2012, and is managed and updated annually by The Economist 's intelligence unit.
Natural gas burning on a gas stove Burning of natural gas coming out of the ground. Natural gas (also called fossil gas, methane gas, or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane (95%) [1] in addition to various smaller amounts of other higher alkanes.