Answer: A) Sulphur dioxide Explanation: Air pollutants are solid particles, gases, and liquid droplets in the air that can adversely affect ecosystems and the health of humans.   Major ambient air pollutants include toxic metals, polycyclic aromatic hydrocarbons, benzene, particulate matter (PM), nitrogen oxides, sulfur oxides, carbon monoxide, and ozone. Power plants, factories, and vehicle and air traffic are the most important anthropogenic sources of air pollution.   In addition, natural sources such as wildfires and volcanic activity contribute to ambient air pollution.

Actually, the modification of the work done in a cell in Excel is typically referred to as "editing" the cell, not "range." Editing a cell means changing or modifying the data or formula within that specific cell. A "range" in Excel refers to a group of two or more cells on a worksheet. When you edit a cell, you are making changes to the content of that particular cell.