The bones of the middle ear cause which structure in the inner ear to vibrate and change the sound into signals? a) eardrum
b) cochlea
c) hammer
d) auricle

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio

To a of 4 x hz is 1. 0. mm nm nm

Which of the following statements correctly describes a transformer?