Twenty years ago in the town of Springfield, there was a terrible car accident involving 25 cars that all caught on fire. Although it happened decades ago, the mayor of Springfield still wakes up in a cold sweat thinking about cars on fire. This is an example of:.

posttraumatic stress disorder.

Explanation:

The posttraumatic stress disorder which is popularly known as PTSD is a kind of disorder that occur when someone is unable to to regain his or her sense back because of the bad or traumatic experience that person has witnessed before.

This is the same case with the mayor, the mayor of Springfield has probably witnessed the terrible car accident involving 25 cars that all caught on fire twenty years ago and the mayor has not recovered from the traumatic experience.

The symptoms of posttraumatic stress disorder includes flashback, fear, self-destructive behaviour, nightmares, agitation and many more.

It can be treated by using psychotherapies and through the use of medications.

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.

answer; gender,race,age,/// (d) all of these;