Which of the following best explains how data can show that human activities increase greenhouse gas emissions?

The correct option is By comparing the amount of carbon dioxide in the atmosphere before and after industrialisation. This answer is correct because it matches the approved learning objective to interpret data linking human activities to greenhouse gas emissions in the subtopic Human activities which contribute to an increase in greenhouse gases in the atmosphere.

The correct option is By comparing the amount of carbon dioxide in the atmosphere before and after industrialisation. By comparing the amount of carbon dioxide in the atmosphere before and after industrialisation is correct because it directly supports the approved learning objective to interpret data linking human activities to greenhouse gas emissions. This belongs to the subtopic Human activities which contribute to an increase in greenhouse gases in the atmosphere within Carbon dioxide and methane as greenhouse gases, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Human activities which contribute to an increase in greenhouse gases in the atmosphere.