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Decay
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Total cards: 5•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (5)
#1
Front (Question)
how is compost produced?
Back (Answer)
bacteria and fungi decompose dead plant material the compost can then be used as a fertiliser as compost is mineral rich
#2
Front (Question)
what factors affect the rate of decay?
Back (Answer)
temperature- quicker when its hotter because decomposers use enzymes water availability- more moist its quicker as chemical reactions in decay require water oxygen availability- more oxygen means quicker as decompers need to respire anaerobically
#3
Front (Question)
how is biogas made?
Back (Answer)
when decomposers decay plant and animal waste anerobically which produces methane gas
#4
Front (Question)
what is biogas mainly made up from?
Back (Answer)
methane
#5
Front (Question)
what can we use to produce biogas on a larger scale?
Back (Answer)
biogas generators which is a simple fermenter