What is the function of the eye's retina and optic nerve? A. The optic nerve converts light to neural signals that are transmitted to the brain by the retina.

B. The retina converts light to neural signals that are transmitted to the brain by the optic nerve.

C. The retina focuses incoming light that is converted to neural signals by the optic nerve.

D. The optic nerve focuses incoming light that is reflected by the retina.

the answer is either b or c

c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.