392 Keeping appropriate distance while following a car can prevent accidents because of (A)friction (B)traction (C)adequate time and space for the driver to react properly.

393 When approaching an intersection without traffic lights, it is safer to (A)first look to the right, look to the left, and look to the right again (B)first look to the left, look to the right, and look at the left again (C)it doesn't matter which side first.