Answer:
D. anything in the atmosphere.
Explanation:
I am a mycologist. A person who studied biology major mycology. Mycology is the study of fungi. An expert in fungi's genetic and biochemical makeup, pathogen, and taxonomy. I also study benefits and usage in humans as food and medicine together with the innate danger and poisons.
Paleontology is the study of the history of life on earth as based on fossils.
It's A.....tRNA helps in formation of amino acid and also in binding and transfer !