Hard situation puzzles

A woman asks questions to her friend - a policeman - about a strange death. After 5 minutes the policeman is surprised to see that the woman finds out the cause of the death.

A naked man is lying dead in the middle of a desert with a match in his hand. What happened? A man is found dead in a desert. He is naked, and lots of clothes are scattered around him, among other things. There is a match in his hand. How did he die?

A man who was expecting to die in a few days dies sooner than he thought.

If the wind hadn't blown so strongly that night, Angela would still be alive.

A man was walking down the street when he suddenly started to choke the woman walking by him. He was taken to the police station but soon after was released.

A man woke up at night feeling thirsty. Then he turned off the light everywhere and went to bed again. In the morning he woke up, looked out of the window and yelled. Soon after he committed suicide.

Students are taking an exam at military academy. One of them chooses a ticket and goes to his seat to get prepared. After some minutes he goes to the professor, silently gives him the student's record-book and leaves the classroom. The student got the excellent.

In the 1950s in America there was invented a chicken gun. What for?

A man is stranded on an island covered in forest. One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process. There are cliffs around the island, so he cannot jump off. How can the man survive the fire? (There are no buckets or any other means to put out the fire)

A little girl was warned by her parents never to open the cellar door. If she did, she would see things that they did not want her to see. One day, while her parents were out, they accidentally left the cellar door unlocked. The girl opened the cellar door. What did she see?

A man woke up, lit a match and saw something that frightened him to death.

At the end of the XIX century one american enterpreneur invented a system to withstand competition. This system we all use nowadays.