How are different touch receptors distributed over the body?

I need help pls

1) When a hair cell is activated by a sound wave ____. A) it fires action potentials that cause the basilar membrane to begin to vibrate B) it releases neurotransmitter C) its kinocilia and stereocilia release chemicals 2) Low pitch sounds are heard when the ______. A) longer more flexible fibers in the basilar membrane vibrate B) region of the basilar membrane closest to the oval window vibrates C) entire basilar membrane vibrates equally but at a low frequency

Why do rods provide greater visual sensitivity while cones provide better acuity?