Some of the First Experiments in Cloud Seeding Were Conducted

question 48

Multiple Choice

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

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