answersLogoWhite

0


Best Answer

they can both backfire because coal is not good, and if you buy diamonds, it could be a waste of money.they are made of carbon.

User Avatar

Wiki User

12y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

11y ago

both are carbon pressured together

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What do diamonds and coal have in common?
Write your answer...
Submit
Still have questions?
magnify glass
imp