Answer:
B 4 seconds
Explanation:
You should stay 4 seconds away from a vehicle at all times at the same speed as the other vehicle or vehicles.
This will be stored as a collection of files
The syntax of sinX is the script used in sinX.
The syntax of something, whether it be Python, C++ or even sinX is just the code.
That's why when you check the code for errors, the button says "check syntax"!