Questions

A traffic light.

It has three 'eyes' (the red, orange and green lights) and the leg is the pole holding it up. Many people beg the light to stay green as they’re approaching.

Samsung has become the first company in India to launch its mobile payment service named Samsung pay.

A myelinated nerve can be found int the brain or spinal cord as well as the peripheral nervous system, it is white and is surrounded by schwann cells or oligodendrocytes.

The Doppler effect or Doppler shift is the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source. 

Answer A is incorrect because you are providing a service that the customer did not request; therefore, it might not be important to her and unnecessary. Answer B is incorrect because scope creep is generally an expansion of the scope of the project at the customer's request and the customer did not request these reports. Answer C is incorrect because an additional report does not always mean increased diligence with a project.