The correct letter answer is A or C. Choose whichever one you want. I think it's C, but you can consider A also. :)
I think the answer is the cochlea and/or the vestibular system.
He must reherse till he can beat the other bikers hope this helps
Feco-oral route --> unwashed hands contain fecal coliforms which spread to anything hands touch if not washed properly with soap
Respiratory droplets --> couching can spread certain pathogens that cause pharyngitis, bronchitis, flu, pneumonia, tuberculosis, and even meningitis