A. manufacturing of rain coats
B. production of palm oil
C. floating of a needle on water
D. washing of plates with soapy water
Correct Answer: Option B
B. production of palm oil
A. manufacturing of rain coats
B. production of palm oil
C. floating of a needle on water
D. washing of plates with soapy water
Correct Answer: Option B
B. production of palm oil
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