BI-1940
Carbon cycle and carbon sinks
Biology · Secondary 4 · Easy · Carbon cycle and carbon sinks
Which human activity most directly increases carbon emissions to the atmosphere, contributing to the trend shown in models of rising atmospheric carbon from 1920 to 2100?
- Planting more trees in urban parks
- Burning coal and oil in power stations for electricity
- Recycling paper and plastic in households
- Using bicycles instead of cars for transport
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