Due soon. Will give brainleist thing. Please help

Which one of the following is not a good procedure to follow if you wish to avoid being rear ended by another vehicle

The torque output of an engine is usually measured in the units of a rpm b bhp c foot pounds d feet per pound

Which of the following is not true about hydroelectricity a. use of gravitational force of flowing water b. its the most widely used renewable energy c. it has a high output of co2 that fossil fuels d. it has no direct waste asap