The nervous system.
It transports signals from and to different parts of the body and forms actions.
I think c is the right answer
I believe the answer is (B) as molten Kevlar when spun into fiber, its polymers have a crystalline arrangement.
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A, energy stored in chemical bonds of molecules, is correct because chemical energy is the potential energy in the molecule, for example the chemical energy in coal is converted to electrical energy through power plants. The energy was already stored in the coal, just in a different form.
