Which of the following are main categories of sources of pollution?

The main categories of sources of pollution encompass a variety of human activities and their impacts on the environment. The chosen answer includes industrial, residential, commercial, and environmental pollution, which are all significant contributors to the overall pollution landscape.

Industrial sources are linked to manufacturing processes, power generation, and other industries that release pollutants into the air, water, or soil. Residential sources refer to pollution from homes, including waste management, heating, and household chemicals. Commercial sources include businesses that generate waste and emissions, while environmental pollution can refer to natural occurrences or anthropogenic activities that impact natural ecosystems.

This selection encompasses the broad spectrum of pollution sources, differentiating between the types of environments in which pollution can originate and thereby providing a well-rounded understanding of how various sectors contribute to pollution. Other options may include some valid categories but may fall short by omitting key areas or combine categories in ways that don't represent the primary sources of pollution effectively.