Don't scare people by asking that question.
Most scientists say in about 13500. So I think that you have some time
No.
4.6 billion years
=no don't think so but things could change around earth=
Yes, the world will end in 5,000,000,000 because scientists think that the sun will increase its size about 100 times and the Earth will be swallowed up.
iron
From the oceans
Its been fired i think so no
yes they do
Scientists are worried about the Rio Grande because they think it is going to run out of water.
Yes scientist think that years ago ,before dinosouars were on earth,the planet hit the edge of earth and then started going around the earth as it got smaller
I don't think scientists have proof and I don't think scientists believe the world will end in 2012. 2012 if the end of the Mayan 5000 year calander.