Commissioned Corps Of The U.S Public Health Service. They handle the health situations of the U.S people. <span />
It is cheaper than anything else. But that nuclear plant could explode etc. what I'm trying to say with the last part is that there is Good and Bad. I hope this helped.
Humans are heterotrophs with genomes in the DNA, so the answer is the 2nd option
Can you show a picture or something please so I can see what you are talking about?
