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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. - lid - ai... 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 thought the gardening society website was a reliable source of information because it is likely curated by experts in gardening, which indicates that the content has been checked and verified.
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 and decomposers that break down organic matter. Additionally, turning the compost helps aerate it, providing oxygen necessary for respiration by these microorganisms, promoting faster decomposition and nutrient cycling.