SPACE DEBRIS

I. Space debris can cause a great damage in the Earth. They are so dangerous to human people and also are a good device of investigation.

II. What are space debris.
A. How do they get to Earth?
B. Efects it causes.

III. Problems it causes.
A.Pollution
B. Harms

IV. Investigation.
A. Science
B. Astronauts

V. In short, space debris causes good and bad things. They can pollute the Earth and also cause damages to humans and their environment. But they can be investigated by scientists and they can discover new things about the space.