The development of which polymer enabled the British to have effective radar equipment and thus contributed to the British success in the Battle of Britain in World War II?
A. polystyrene
B. polyvinyl chloride
C. Teflon
D. polyethylene
Answer:D
The development of which polymer enabled the British to have effective radar equipment and thus contributed to the British success in the Battle of Britain in World War II?
A. polystyrene B. polyvinyl chloride C. Teflon D. polyethylene