34. The passage makes clear that the main source of the speed of the jaws of the trap-jaw ant is the:
Your Answer is
Correct Answer is J
Explanation
Item J: According to the speed of the question stem, locate the first sentence of the third paragraph, L23-25, "the release comes from stored energy produced by the strong but slow muscles of the jaw" (the speed comes from the stored energy of the jaw muscles energy).
FGH item: does not meet the positioning information.