Lines communicate lane definition, where to stop, where the road narrows and where may cross.

The answer is: Pedestrians

On roads, lines were created mainly to separate the space where vehicles can cross and the space that resided only for non-vehicles. They made it to ensure the safety of pedestrians, public infrastructure, and private properties near the roads from colliding with a vehicle.

6 questions are worth 5 point and 4 are worth 2. i figured this out because 5 times 6 is 30 and 2 times 4 is 8 which makes 38.

explanation:

there is less collagen and elastin in the skin.