The photoreceptors of the retina

a. convert chemical signals into electrical signals
b. convert sound waves into electrochemical signals
c. convert light energy into electrochemical signals
d. convert light energy into electromagnetic signals

Option c

Explanation:

The photoreceptors are found in the eyes of the human body. These receptors absorbs light from the surrounding and converts it into electrochemical signal.

The signals from eyes are are transferred to the brain so that we can see the objects and recognize it.The signals are transferred through the neurotransmitter.

electronic measurement tools display data on a screen after waiting for several minutes.

while some business owners prefer manual record keeping systems, most businesses use an electronic record keeping system - making it easier to capture information, generate reports and meet tax and legal reporting requirements.

explanation: