<span>A. Static is appropriate answer</span>
petroleum is not a coal or coal - precursor
I think the answer to this is C. Do some research - because if you don't recognize the company, it's better to be safe than sorry because your info could be stolen.
I believe the most sensible thing to do is to call 911, and step outside.
But if you're adventurous like me, I would take the sink hose and spray it down.
