Praxis II Biology

Answer: C, The example that is not a human activity that leads to environmental pollution is an eruption. While volcanic eruptions do lead to increased pollution, these activities are not controlled or affected by humans.

Key Takeaway: Environmental pollution is a growing concern of modern society. Environmental pollution does come from natural sources and human activity, although pollution from human activities such as combustion, mining, and warfare are increasingly contributing to pollution. The primary source of human pollution is that from motor vehicle emissions, with countries such as the United States, Russia, Japan, and China leading the world in motor vehicle emissions. Other examples of pollution from human activities include chemical plants, oil refineries, and large livestock farms.