40. Based on the passage, compared to the amount of static electricity generated by rubbing two balloons together, the amount of electricity needed to close the Venus fly-trap is:
Your Answer is
Correct Answer is F
Explanation
Use two balloons to locate lines 70-73 (the penultimate paragraph), indicating that Venus flytrap needs 14 microcoulombs to close, which is slightly more than the current generated by the friction of two balloons, so choose F;