A carwash attendant offers to treat your windshield with a protective agent.This substance coats the glass,causing beads of water to easily roll off during a rain shower.Which of the following must be correct about the protective agent?
A) It resists temperature changes well.
B) It must be an acid.
C) It is a polar substance.
D) It must be hydrophobic.
Correct Answer:
Verified
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