Explanation:

Cloud seeding, a form of weather modification, involves dispersing substances into the air to alter cloud microphysical processes and induce precipitation. The most common agents used for this purpose are silver iodide (AgI) and dry ice (solid carbon dioxide). Potassium iodide (KI) can also be used as a cloud seeding agent. The combination of silver iodide and potassium iodide is a standard choice for this process.