Lycra bicycle shorts and exercise clothing contain fibers that have great strength and rigidity as well as the ability to stretch.These fibers are probably composed of
A)natural rubber.
B)amorphous polymers.
C)crystalline polymers.
D)a creative combination of amorphous and crystalline polymers.

Question

Quizplus · Accepted Answer

Lycra bicycle shorts and exercise clothing require both strength and flexibility. A combination of amorphous and crystalline polymers provides this balance, with crystalline regions offering strength and rigidity, and amorphous regions allowing for stretch.

Lycra Bicycle Shorts and Exercise Clothing Contain Fibers That Have