The answer to this question would be D (DNA). It can be found in the nucleus of a cell and contains the entire genetic information of a whole.
The smallest bone in the body is the stapes and it is the third bone of the three ossicles in the middle ear.
Hello to answer your question.
A is correct
But more likely forest fires would be the culprit because the trees produce O2
so when the are burnt, it would be like everybody o this earth breathed out at once causing CO2 to be released in to the atmostphere in a big burst
Signed by, Virtuoso Sargedog