Final answer:
Windshield wipers are required parts of a motor vehicle and serve the purpose of clearing precipitation from the windshield for better visibility during inclement weather conditions.
Step-by-step explanation:
Yes, windshield wipers are required parts of a motor vehicle. They serve the purpose of clearing rain, snow, or other types of precipitation from the windshield to provide better visibility for the driver. They are particularly important during inclement weather conditions, such as heavy rain or snowfall. The speed and frequency of the windshield wipers can often be adjusted by the driver to match the intensity of the precipitation