The diagram illustrates the process turning organic waste into fertilizer for gardening purpose.
Overall, there are four main steps occurred in a 2 m³ plastic container which is filled with air molecules.
In the first stage, daily waste such as newspaper, glass and food are thrown into the container to form various separated layers, 15 cm each. Subsequently, nitrogen and hot water are added. Cold water is not permitted since it doesn’t provide heat for the process. After having all the ingredients inside, the fermentation start with the heat maintained constantly for 6 months.
At the end, the waste become compost, where worms appeared on the surface. This substance is then used as environmentally friendly fertilizer in many family and industry.
In conclusion, despite its simple function and requirement, the process of creating garden fertilizer is considered as time consuming.
- The bar chart shows the changes in the number of students applying for four different kinds of subjects in a UK university in 2008 and 2013
- The graphs below show the size of ozone hole over Antarctica an the production of three ozone damaging gases from 1980 to 2000 Summarise the information by selecting and reporting the main features and make comparisons where relevant 59
- The bar chart below shows the information about the population size in an area of UK and its birth rate and death rate in 1700 1800 1900 ad 2000 Summarise the information by selecting and reporting the main features and make comparisons where revelant
- The charts below show the percentage of water used by different sectors in Sydney Australia in 1997 and 2007 Summarise the information by selecting and reporting the main features and make comparisons where relevant 78
- Every year several languages die out Some people think that this is not important because life will be easier if there are fewer languages in the world To what extent do you agree or disagree with this opinion 84