What characteristics does carbon have that explain this characteristics?

Answer:
Circular reasoning much?
This looks like a question taken from a larger document. I'm not entirely sanguine about doing your homework for you, and in this particular case I couldn't even if I wanted to, because you didn't detail "this characteristics."
First answer by Ptorquemada. Last edit by Ptorquemada. Contributor trust: 553 [recommend contributor recommended]. Question popularity: 1 [recommend question].