(A) Polyester
(B) Rayon
(C) Terrycloth
(D) Nylon
Nylon, the first synthetic fiber in the "fully synthetic" sense of that term, was developed by Wallace Carothers, an American researcher at the chemical firm DuPont in the 1930s. It soon made its debut in the United States as a replacement for silk, just in time for the introduction of rationing during World War II.
(A) Pyrex Glass
(B) Flint Glass
(C) Hard Glass
(D) Soft Glass
(A) Cadmium
(B) Graphite
(C) Heavy water
(D) Liquid Sodium
(A) Greater Bird of Paradise
(B) Rhinoceros
(C) Deer
(D) Komodo Dragon
(A) South Sumatra
(B) West Sumatra
(C) East Java
(D) Central Java
(A) Incheon
(B) Hangzhou
(C) New Delhi
(D) Olympia
(A) China
(B) Japan
(C) South Korea
(D) Indonesia
(E) China
(F) Japan
(undefined) South Korea
(undefined) Indonesia
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