Why coal is also known as black diamond
Answers
Answered by
12
Because coal is widely used in world and a big source. It is used in train , factories etc. It is also cheap than many other resources
guptayashi500:
are u sure about this answer
Answered by
3
it is the toughest form of natural diamond. it is an impure form of pycrystalline diamond, graphite, and amorphous carbon
plzz mark me as brain
brainliest
Similar questions