Some of the first experiments in cloud seeding were conducted by Vincent Schaefer and Irving Langmuir during the late 1940s. To seed a cloud, they dropped crushed pellets of ____ from a plane.
A)silver iodide
B)silver iodine
C)lead iodide
D)cupric sulfide
E)dry ice

Question

Quizplus · Accepted Answer

Vincent Schaefer and Irving Langmuir used dry ice (solid carbon dioxide) in their early cloud seeding experiments to induce precipitation.

Some of the First Experiments in Cloud Seeding Were Conducted