Q. The strongest evidence that comets are members of our solar system comes from:[CDS 1992] (Solved)
1. their composition
2. their effect on the lives of man
3. the shape of their orbits
4. the shape and length of their tails
- a. their composition
1. their composition
2. their effect on the lives of man
3. the shape of their orbits
4. the shape and length of their tails