Final answer:
The correct statement concerning speed limits on the open road in North Carolina is A. Unless otherwise posted, the speed limit for passenger cars and pickup trucks is 65 mph. The statement B is incorrect as the speed limit for a school activity bus in North Carolina is 45 mph, not 35 mph.
Step-by-step explanation:
In North Carolina, the accurate statement regarding speed limits on open roads is A. The correct assertion is that, unless otherwise posted, the speed limit for passenger cars and pickup trucks is 65 mph. This implies that in the absence of specific signs indicating an alternative speed limit, the default speed limit for these vehicles is 65 mph. Conversely, Statement B is inaccurate because the speed limit for a school activity bus in North Carolina is 45 mph, not 35 mph as mentioned.
Understanding and adhering to these state-specific speed limit regulations are crucial for drivers to ensure compliance with traffic laws, promote road safety, and avoid potential legal consequences associated with exceeding posted speed limits for different types of vehicles.