How researching what asteroids are made out of can save Earth until 2100!

1. What are they made of?

1.1. Mostly of rock

1.2. Also has carbon based material in it

1.3. And also has a little bit of metal

2. How does this help?

2.1. By researching we could use the material to find out more exciting things about Earth

2.2. We can also no when when they will strike

2.3. We now what the asteriods are made out of and if it will destory the Earth

3. Effects of research

3.1. We would now know if the Earth can withstand this until 2100

3.2. We can research if the materials in the asteroids will destory the Earth when they hit