Question 61

A change in average temperature from methane released by farming

Human activity, particularly agricultural practices, has led to the release of methane, a potent greenhouse gas, which contributes to climate change by increasing average temperatures.

A) A change in average temperature from methane released by farming

This option correctly identifies a human-induced factor contributing to climate change. Methane emissions from farming, particularly from livestock and rice cultivation, significantly impact global temperatures due to their heat-trapping properties.

B) A change in temperature from an approaching cold front

This option is incorrect as it refers to a natural weather phenomenon rather than a result of human activity. Cold fronts are part of the Earth's weather systems and do not indicate climate change caused by anthropogenic factors.

C) A decrease in temperature because of increased cloud cover

This option is also incorrect. Although increased cloud cover can influence local temperatures, it is not a direct result of human activity in the context of climate change. The decrease in temperature mentioned here does not reflect the long-term warming trends associated with human-induced climate change.

D) A decrease in temperature from a change in wind direction

This option is incorrect as it relates to natural atmospheric conditions. Changes in wind direction may affect local temperatures temporarily but do not constitute climate change driven by human actions.

Conclusion

The correct answer, a change in average temperature from methane released by farming, clearly illustrates how human activities are contributing to climate change. In contrast, the other options describe natural processes or phenomena that do not stem from human influence, thereby failing to address the core concept of anthropogenic climate change.