Why are seat belts important? {Ans: They keep you from getting thrown out of your car, hitting the dashboard too hard, and in control of your car.}Which sign tells you to keep in the right-hand lane when driving slow? {Ans: "Slower Traffic Keep Right" sign.}What is the maximum speed limit for passenger cars on Texas Highway numbered by the state, or for United States outside an urban district? {Ans: Daytime - 70 mph Nighttime - 65 mph}Under what circumstances should you never attempt to pass a car ahead of you? {Ans: When pavement markings prohibit driving on other lane -When within 100 ft of/or crossing an intersection or railroad crossing -On a hill, curve, or other place with limited vision -100 ft of a bridge, viaduct, or tunnel.}Which sign tells you to slow down because you are approaching a double curve? {Ans: The road curves one way (right) and then the other way (left). Slow down, keep right, and do not pass.}Under what conditions are overtaking and passing to the right not permitted? {Ans: If you need to drive off the paved portion of the highway.}What effects does the use of marijuana and amphetamine