the answer is c: "AGT " BECAUSE A PAIRS WITH T AND C PAIRS WITH G
I think its arroyo.
i hope this answer is correct and helps you :)
Nitrogen Fixating bacteria ( such as cyanobacteria or clostridum) can convert gaseous nitrogen in the air into amonia, a compound that organism can use to make amino acid and other nitrogen-containing organic molecules
assuming that there are no answer choices, as you did not provide any, I shall say that the most likely result in the creation of a bunch of fossils would be a lot more oil, as the fossil fuel didn't get its name for nothing. there are other possibilities, but without the answer choices this is the best I could do. hope this helps!
Because you might have just done something different with the experiment and messed up someway during the test