Unicode is a world standard to represent

characters.

Explanation:

We need to represent characters in binary format so that they can be stored in computer memory. Earlier, ASCII (American Standard Code for Information Interchange) representation was commonly used for english characters. But ASCII was found to be insufficient for representing multilingual and special characters.Unicode character representation was developed to overcome this limitation.

answer; (a) brake pedal is depressed;

given the lack of choices, i'm gonna wing it and say that pushing your car off a cliff might not be the best idea. your car might sustain damage from the fall and will probably result in the car being too damaged to jump start.

if that's not good enough, avoid filling the car with bees. bees might get agitated when trapped or during the moving process, and might result in death or painful stings that will make jump starting your car very difficult. but in the event that you do choose to fill your car with bees, remember to wear protective gear!