Standard Science Primary 6 Interactions

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

A Burning of fossil fuels
B Using solar panels for electricity
C Planting more trees in urban areas
D Recycling plastic bottles
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Worked Solution

Step 1: Fossil fuels contain carbon. Step 2: Combustion (burning) releases carbon in the form of carbon dioxide (a greenhouse gas).

Correct answer: Burning of fossil fuels

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