The answer to this question would be B (the battery is the electrical power supply)
Answer:Explanation:
Image result for what does a worm and wheel mechanism do to torque and speed
Like other gear arrangements, a worm drive can reduce rotational speed or transmit higher torque. ... Each full 360 degree turn of a single start worm advances the gear by one tooth. For a multi start worm the gear reduction equals the number of teeth on the gear divided by the number of starts on the worm.
<span>principal quantum number (n) </span>represents the relative overall energy of each orbital
Hope this helps!
Answer; they are larger and made of rocky material
