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A gardener read information on a gardening society website about how to use a compost bin - Edexcel - GCSE Biology - Question 7 - 2022 - Paper 1
Question 7
A gardener read information on a gardening society website about how to use a compost bin. Figure 11 shows the compost bin and some of the instructions. - add soil... show full transcript
Worked Solution & Example Answer:A gardener read information on a gardening society website about how to use a compost bin - Edexcel - GCSE Biology - Question 7 - 2022 - Paper 1
Step 1
Give one reason why the gardener thought the gardening society website was a good source of information.
Answer
The gardener likely thought the gardening society website was a good source of information because it is provided by experts in gardening, implying that the content is reliable and has been checked for accuracy.
Step 2
Give reasons why soil is added to the compost bin and why the contents are turned to add air.
Answer
Soil is added to the compost bin to introduce microorganisms or decomposers that help break down organic matter, enhancing the composting process. Additionally, turning the contents of the compost bin aerates the material, providing oxygen which is essential for aerobic decomposition and preventing the compost from becoming anaerobic, which can lead to unpleasant odors.