B, C and D. Though if the question wants you to pick one I would go with C
Answer:
conductors of heat and electricity
Explanation:
Well i would say awesome but Edward de Bono (i have no idea who he is) said an expert is someone who has succeeded in making decisions.
Sorry if it is confusing.
Hope this helps :)
A) Using improper body piercing methods
Easy your answer is Texas because Texas is is above the national average hope this helps