Junior Cert Science

Sample Answers

Ecology 1

The increase in carbon dioxide concentration in the Earth’s atmosphere is currently causing concern. The use of fossil fuels and deforestation, have been identified as major contributors to this increase in carbon dioxide concentration. The graph shows a continual increase in the carbon dioxide concentration for the last fifty years. The data was collected at a site in Europe.

(i) Explain how either the use of fossil fuels or deforestation could have cont...

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