Schaefer and Langmuir discovered that dry ice could be used as a cloud seeding agent during which decade?
A) 1940s
B) 1920s
C) 1960s
D) 1970s
Correct Answer:
Verified
Q73: Rainfall is measured directly by
A)a standard rain
Q74: The fact that rain gauges provide point
Q75: The effectiveness of cloud seeding is
A)widely debated
B)generally
Q76: Snow measurement:
A)is best done with a rain
Q77: One difficulty in evaluating the effectiveness of
Q79: Which of the following is not an
Q80: The typical snow to rain water equivalent
Q81: State two reasons why many scientists question
Q82: Snow that forms under very cold conditions
Q83: When friction force counterbalances gravity for a
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