The end of the world logicals.

Question

List up to 3 different logicas each, of what events could happen to end the world.

Answer 1

1. The sun reaches the stage wherein it bulks up (much like Betelgeuse) and engulfs the orbit of the earth.

2. A total annihilation of the ozone layer.

3. A massive object that would change the earth's movement and orbit.

Answer 2

1. We all starve because of food shortages.

2. Nuclear holocaust.

3. Aliens get bored of watching us and take over.