Foundation Science Primary 6 Interactions

Which of the following activities contributes the most to the increase of carbon dioxide levels in the atmosphere?

A Using solar panels for electricity
B Planting more trees in urban areas
C Deforestation and burning of fossil fuels
D Recycling plastic bottles and aluminium cans
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Worked Solution

Step 1: Burning fossil fuels releases stored carbon as CO2. Step 2: Deforestation removes trees that act as carbon sinks. Step 3: Both lead to a net increase in atmospheric CO2.

Correct answer: Deforestation and burning of fossil fuels

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